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afs: Rename struct afs_fs_cursor to afs_operation 

As a prelude to implementing asynchronous fileserver operations in the afs
filesystem, rename struct afs_fs_cursor to afs_operation.

This struct is going to form the core of the operation management and is
going to acquire more members in later.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2020-03-20 09:32:50 +00:00
parent 7126ead910
commit a310082f6d
14 changed files with 278 additions and 278 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
fs/afs/dir.c
View File

@ -643,7 +643,7 @@ static struct inode *afs_do_lookup(struct inode *dir, struct dentry *dentry,
struct afs_super_info *as = dir->i_sb->s_fs_info;
struct afs_status_cb *scb;
struct afs_iget_data iget_data;
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_server *server;
struct afs_vnode *dvnode = AFS_FS_I(dir), *vnode;
struct inode *inode = NULL, *ti;
@ -1220,7 +1220,7 @@ void afs_d_release(struct dentry *dentry)
/*
* Create a new inode for create/mkdir/symlink
*/
static void afs_vnode_new_inode(struct afs_fs_cursor *fc,
static void afs_vnode_new_inode(struct afs_operation *fc,
struct dentry *new_dentry,
struct afs_iget_data *new_data,
struct afs_status_cb *new_scb)
@ -1248,7 +1248,7 @@ static void afs_vnode_new_inode(struct afs_fs_cursor *fc,
d_instantiate(new_dentry, inode);
}
static void afs_prep_for_new_inode(struct afs_fs_cursor *fc,
static void afs_prep_for_new_inode(struct afs_operation *fc,
struct afs_iget_data *iget_data)
{
iget_data->volume = fc->vnode->volume;
@ -1261,7 +1261,7 @@ static void afs_prep_for_new_inode(struct afs_fs_cursor *fc,
* number derived from the result of the operation. It doesn't matter if
* d_fsdata goes backwards as we'll just revalidate.
*/
static void afs_update_dentry_version(struct afs_fs_cursor *fc,
static void afs_update_dentry_version(struct afs_operation *fc,
struct dentry *dentry,
struct afs_status_cb *scb)
{
@ -1277,7 +1277,7 @@ static int afs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
{
struct afs_iget_data iget_data;
struct afs_status_cb *scb;
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_vnode *dvnode = AFS_FS_I(dir);
struct key *key;
afs_dataversion_t data_version;
@ -1367,7 +1367,7 @@ static void afs_dir_remove_subdir(struct dentry *dentry)
static int afs_rmdir(struct inode *dir, struct dentry *dentry)
{
struct afs_status_cb *scb;
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_vnode *dvnode = AFS_FS_I(dir), *vnode = NULL;
struct key *key;
afs_dataversion_t data_version;
@ -1483,7 +1483,7 @@ static int afs_dir_remove_link(struct afs_vnode *dvnode, struct dentry *dentry,
*/
static int afs_unlink(struct inode *dir, struct dentry *dentry)
{
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
struct afs_vnode *dvnode = AFS_FS_I(dir);
struct afs_vnode *vnode = AFS_FS_I(d_inode(dentry));
@ -1588,7 +1588,7 @@ static int afs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
bool excl)
{
struct afs_iget_data iget_data;
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
struct afs_vnode *dvnode = AFS_FS_I(dir);
struct key *key;
@ -1666,7 +1666,7 @@ error:
static int afs_link(struct dentry *from, struct inode *dir,
struct dentry *dentry)
{
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
struct afs_vnode *dvnode = AFS_FS_I(dir);
struct afs_vnode *vnode = AFS_FS_I(d_inode(from));
@ -1755,7 +1755,7 @@ static int afs_symlink(struct inode *dir, struct dentry *dentry,
const char *content)
{
struct afs_iget_data iget_data;
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
struct afs_vnode *dvnode = AFS_FS_I(dir);
struct key *key;
@ -1837,7 +1837,7 @@ static int afs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
struct afs_vnode *orig_dvnode, *new_dvnode, *vnode;
struct dentry *tmp = NULL, *rehash = NULL;

4
fs/afs/dir_silly.c
View File

@ -19,7 +19,7 @@ static int afs_do_silly_rename(struct afs_vnode *dvnode, struct afs_vnode *vnode
struct dentry *old, struct dentry *new,
struct key *key)
{
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
afs_dataversion_t dir_data_version;
int ret = -ERESTARTSYS;
@ -145,7 +145,7 @@ out:
static int afs_do_silly_unlink(struct afs_vnode *dvnode, struct afs_vnode *vnode,
struct dentry *dentry, struct key *key)
{
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
int ret = -ERESTARTSYS;

2
fs/afs/file.c
View File

@ -225,7 +225,7 @@ static void afs_file_readpage_read_complete(struct page *page,
*/
int afs_fetch_data(struct afs_vnode *vnode, struct key *key, struct afs_read *req)
{
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
int ret;

6
fs/afs/flock.c
View File

@ -179,7 +179,7 @@ static int afs_set_lock(struct afs_vnode *vnode, struct key *key,
afs_lock_type_t type)
{
struct afs_status_cb *scb;
struct afs_fs_cursor fc;
struct afs_operation fc;
int ret;
_enter("%s{%llx:%llu.%u},%x,%u",
@ -216,7 +216,7 @@ static int afs_set_lock(struct afs_vnode *vnode, struct key *key,
static int afs_extend_lock(struct afs_vnode *vnode, struct key *key)
{
struct afs_status_cb *scb;
struct afs_fs_cursor fc;
struct afs_operation fc;
int ret;
_enter("%s{%llx:%llu.%u},%x",
@ -253,7 +253,7 @@ static int afs_extend_lock(struct afs_vnode *vnode, struct key *key)
static int afs_release_lock(struct afs_vnode *vnode, struct key *key)
{
struct afs_status_cb *scb;
struct afs_fs_cursor fc;
struct afs_operation fc;
int ret;
_enter("%s{%llx:%llu.%u},%x",

42
fs/afs/fsclient.c
View File

@ -272,7 +272,7 @@ static const struct afs_call_type afs_RXFSFetchStatus_vnode = {
/*
* fetch the status information for a file
*/
int afs_fs_fetch_file_status(struct afs_fs_cursor *fc, struct afs_status_cb *scb,
int afs_fs_fetch_file_status(struct afs_operation *fc, struct afs_status_cb *scb,
struct afs_volsync *volsync)
{
struct afs_vnode *vnode = fc->vnode;
@ -470,7 +470,7 @@ static const struct afs_call_type afs_RXFSFetchData64 = {
/*
* fetch data from a very large file
*/
static int afs_fs_fetch_data64(struct afs_fs_cursor *fc,
static int afs_fs_fetch_data64(struct afs_operation *fc,
struct afs_status_cb *scb,
struct afs_read *req)
{
@ -511,7 +511,7 @@ static int afs_fs_fetch_data64(struct afs_fs_cursor *fc,
/*
* fetch data from a file
*/
int afs_fs_fetch_data(struct afs_fs_cursor *fc,
int afs_fs_fetch_data(struct afs_operation *fc,
struct afs_status_cb *scb,
struct afs_read *req)
{
@ -599,7 +599,7 @@ static const struct afs_call_type afs_RXFSMakeDir = {
/*
* create a file or make a directory
*/
int afs_fs_create(struct afs_fs_cursor *fc,
int afs_fs_create(struct afs_operation *fc,
const char *name,
umode_t mode,
struct afs_status_cb *dvnode_scb,
@ -707,7 +707,7 @@ static const struct afs_call_type afs_RXFSRemoveDir = {
/*
* remove a file or directory
*/
int afs_fs_remove(struct afs_fs_cursor *fc, struct afs_vnode *vnode,
int afs_fs_remove(struct afs_operation *fc, struct afs_vnode *vnode,
const char *name, bool isdir, struct afs_status_cb *dvnode_scb)
{
struct afs_vnode *dvnode = fc->vnode;
@ -792,7 +792,7 @@ static const struct afs_call_type afs_RXFSLink = {
/*
* make a hard link
*/
int afs_fs_link(struct afs_fs_cursor *fc, struct afs_vnode *vnode,
int afs_fs_link(struct afs_operation *fc, struct afs_vnode *vnode,
const char *name,
struct afs_status_cb *dvnode_scb,
struct afs_status_cb *vnode_scb)
@ -882,7 +882,7 @@ static const struct afs_call_type afs_RXFSSymlink = {
/*
* create a symbolic link
*/
int afs_fs_symlink(struct afs_fs_cursor *fc,
int afs_fs_symlink(struct afs_operation *fc,
const char *name,
const char *contents,
struct afs_status_cb *dvnode_scb,
@ -990,7 +990,7 @@ static const struct afs_call_type afs_RXFSRename = {
/*
* Rename/move a file or directory.
*/
int afs_fs_rename(struct afs_fs_cursor *fc,
int afs_fs_rename(struct afs_operation *fc,
const char *orig_name,
struct afs_vnode *new_dvnode,
const char *new_name,
@ -1105,7 +1105,7 @@ static const struct afs_call_type afs_RXFSStoreData64 = {
/*
* store a set of pages to a very large file
*/
static int afs_fs_store_data64(struct afs_fs_cursor *fc,
static int afs_fs_store_data64(struct afs_operation *fc,
struct address_space *mapping,
pgoff_t first, pgoff_t last,
unsigned offset, unsigned to,
@ -1165,7 +1165,7 @@ static int afs_fs_store_data64(struct afs_fs_cursor *fc,
/*
* store a set of pages
*/
int afs_fs_store_data(struct afs_fs_cursor *fc, struct address_space *mapping,
int afs_fs_store_data(struct afs_operation *fc, struct address_space *mapping,
pgoff_t first, pgoff_t last,
unsigned offset, unsigned to,
struct afs_status_cb *scb)
@ -1291,7 +1291,7 @@ static const struct afs_call_type afs_RXFSStoreData64_as_Status = {
* set the attributes on a very large file, using FS.StoreData rather than
* FS.StoreStatus so as to alter the file size also
*/
static int afs_fs_setattr_size64(struct afs_fs_cursor *fc, struct iattr *attr,
static int afs_fs_setattr_size64(struct afs_operation *fc, struct iattr *attr,
struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;
@ -1340,7 +1340,7 @@ static int afs_fs_setattr_size64(struct afs_fs_cursor *fc, struct iattr *attr,
* set the attributes on a file, using FS.StoreData rather than FS.StoreStatus
* so as to alter the file size also
*/
static int afs_fs_setattr_size(struct afs_fs_cursor *fc, struct iattr *attr,
static int afs_fs_setattr_size(struct afs_operation *fc, struct iattr *attr,
struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;
@ -1388,7 +1388,7 @@ static int afs_fs_setattr_size(struct afs_fs_cursor *fc, struct iattr *attr,
* set the attributes on a file, using FS.StoreData if there's a change in file
* size, and FS.StoreStatus otherwise
*/
int afs_fs_setattr(struct afs_fs_cursor *fc, struct iattr *attr,
int afs_fs_setattr(struct afs_operation *fc, struct iattr *attr,
struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;
@ -1569,7 +1569,7 @@ static const struct afs_call_type afs_RXFSGetVolumeStatus = {
/*
* fetch the status of a volume
*/
int afs_fs_get_volume_status(struct afs_fs_cursor *fc,
int afs_fs_get_volume_status(struct afs_operation *fc,
struct afs_volume_status *vs)
{
struct afs_vnode *vnode = fc->vnode;
@ -1659,7 +1659,7 @@ static const struct afs_call_type afs_RXFSReleaseLock = {
/*
* Set a lock on a file
*/
int afs_fs_set_lock(struct afs_fs_cursor *fc, afs_lock_type_t type,
int afs_fs_set_lock(struct afs_operation *fc, afs_lock_type_t type,
struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;
@ -1698,7 +1698,7 @@ int afs_fs_set_lock(struct afs_fs_cursor *fc, afs_lock_type_t type,
/*
* extend a lock on a file
*/
int afs_fs_extend_lock(struct afs_fs_cursor *fc, struct afs_status_cb *scb)
int afs_fs_extend_lock(struct afs_operation *fc, struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;
struct afs_call *call;
@ -1735,7 +1735,7 @@ int afs_fs_extend_lock(struct afs_fs_cursor *fc, struct afs_status_cb *scb)
/*
* release a lock on a file
*/
int afs_fs_release_lock(struct afs_fs_cursor *fc, struct afs_status_cb *scb)
int afs_fs_release_lock(struct afs_operation *fc, struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;
struct afs_call *call;
@ -1941,7 +1941,7 @@ static const struct afs_call_type afs_RXFSFetchStatus = {
/*
* Fetch the status information for a fid without needing a vnode handle.
*/
int afs_fs_fetch_status(struct afs_fs_cursor *fc,
int afs_fs_fetch_status(struct afs_operation *fc,
struct afs_net *net,
struct afs_fid *fid,
struct afs_status_cb *scb,
@ -2101,7 +2101,7 @@ static const struct afs_call_type afs_RXFSInlineBulkStatus = {
/*
* Fetch the status information for up to 50 files
*/
int afs_fs_inline_bulk_status(struct afs_fs_cursor *fc,
int afs_fs_inline_bulk_status(struct afs_operation *fc,
struct afs_net *net,
struct afs_fid *fids,
struct afs_status_cb *statuses,
@ -2234,7 +2234,7 @@ static const struct afs_call_type afs_RXFSFetchACL = {
/*
* Fetch the ACL for a file.
*/
struct afs_acl *afs_fs_fetch_acl(struct afs_fs_cursor *fc,
struct afs_acl *afs_fs_fetch_acl(struct afs_operation *fc,
struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;
@ -2303,7 +2303,7 @@ static const struct afs_call_type afs_RXFSStoreACL = {
/*
* Fetch the ACL for a file.
*/
int afs_fs_store_acl(struct afs_fs_cursor *fc, const struct afs_acl *acl,
int afs_fs_store_acl(struct afs_operation *fc, const struct afs_acl *acl,
struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;

10
fs/afs/inode.c
View File

@ -161,7 +161,7 @@ static int afs_inode_init_from_status(struct afs_vnode *vnode, struct key *key,
/*
* Update the core inode struct from a returned status record.
*/
static void afs_apply_status(struct afs_fs_cursor *fc,
static void afs_apply_status(struct afs_operation *fc,
struct afs_vnode *vnode,
struct afs_status_cb *scb,
const afs_dataversion_t *expected_version)
@ -243,7 +243,7 @@ static void afs_apply_status(struct afs_fs_cursor *fc,
/*
* Apply a callback to a vnode.
*/
static void afs_apply_callback(struct afs_fs_cursor *fc,
static void afs_apply_callback(struct afs_operation *fc,
struct afs_vnode *vnode,
struct afs_status_cb *scb,
unsigned int cb_break)
@ -267,7 +267,7 @@ static void afs_apply_callback(struct afs_fs_cursor *fc,
* Apply the received status and callback to an inode all in the same critical
* section to avoid races with afs_validate().
*/
void afs_vnode_commit_status(struct afs_fs_cursor *fc,
void afs_vnode_commit_status(struct afs_operation *fc,
struct afs_vnode *vnode,
unsigned int cb_break,
const afs_dataversion_t *expected_version,
@ -304,7 +304,7 @@ int afs_fetch_status(struct afs_vnode *vnode, struct key *key, bool is_new,
afs_access_t *_caller_access)
{
struct afs_status_cb *scb;
struct afs_fs_cursor fc;
struct afs_operation fc;
int ret;
_enter("%s,{%llx:%llu.%u,S=%lx}",
@ -813,7 +813,7 @@ void afs_evict_inode(struct inode *inode)
*/
int afs_setattr(struct dentry *dentry, struct iattr *attr)
{
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
struct afs_vnode *vnode = AFS_FS_I(d_inode(dentry));
struct key *key;

112
fs/afs/internal.h
View File

@ -766,7 +766,7 @@ struct afs_vl_cursor {
/*
* Cursor for iterating over a set of fileservers.
*/
struct afs_fs_cursor {
struct afs_operation {
const struct afs_call_type *type; /* Type of call done */
struct afs_addr_cursor ac;
struct afs_vnode *vnode;
@ -779,13 +779,13 @@ struct afs_fs_cursor {
short index; /* Current server */
short error;
unsigned short flags;
#define AFS_FS_CURSOR_STOP 0x0001 /* Set to cease iteration */
#define AFS_FS_CURSOR_VBUSY 0x0002 /* Set if seen VBUSY */
#define AFS_FS_CURSOR_VMOVED 0x0004 /* Set if seen VMOVED */
#define AFS_FS_CURSOR_VNOVOL 0x0008 /* Set if seen VNOVOL */
#define AFS_FS_CURSOR_CUR_ONLY 0x0010 /* Set if current server only (file lock held) */
#define AFS_FS_CURSOR_NO_VSLEEP 0x0020 /* Set to prevent sleep on VBUSY, VOFFLINE, ... */
#define AFS_FS_CURSOR_INTR 0x0040 /* Set if op is interruptible */
#define AFS_OPERATION_STOP 0x0001 /* Set to cease iteration */
#define AFS_OPERATION_VBUSY 0x0002 /* Set if seen VBUSY */
#define AFS_OPERATION_VMOVED 0x0004 /* Set if seen VMOVED */
#define AFS_OPERATION_VNOVOL 0x0008 /* Set if seen VNOVOL */
#define AFS_OPERATION_CUR_ONLY 0x0010 /* Set if current server only (file lock held) */
#define AFS_OPERATION_NO_VSLEEP 0x0020 /* Set to prevent sleep on VBUSY, VOFFLINE, ... */
#define AFS_OPERATION_INTR 0x0040 /* Set if op is interruptible */
unsigned short nr_iterations; /* Number of server iterations */
};
@ -958,35 +958,35 @@ extern int afs_flock(struct file *, int, struct file_lock *);
/*
* fsclient.c
*/
extern int afs_fs_fetch_file_status(struct afs_fs_cursor *, struct afs_status_cb *,
extern int afs_fs_fetch_file_status(struct afs_operation *, struct afs_status_cb *,
struct afs_volsync *);
extern int afs_fs_fetch_data(struct afs_fs_cursor *, struct afs_status_cb *, struct afs_read *);
extern int afs_fs_create(struct afs_fs_cursor *, const char *, umode_t,
extern int afs_fs_fetch_data(struct afs_operation *, struct afs_status_cb *, struct afs_read *);
extern int afs_fs_create(struct afs_operation *, const char *, umode_t,
struct afs_status_cb *, struct afs_fid *, struct afs_status_cb *);
extern int afs_fs_remove(struct afs_fs_cursor *, struct afs_vnode *, const char *, bool,
extern int afs_fs_remove(struct afs_operation *, struct afs_vnode *, const char *, bool,
struct afs_status_cb *);
extern int afs_fs_link(struct afs_fs_cursor *, struct afs_vnode *, const char *,
extern int afs_fs_link(struct afs_operation *, struct afs_vnode *, const char *,
struct afs_status_cb *, struct afs_status_cb *);
extern int afs_fs_symlink(struct afs_fs_cursor *, const char *, const char *,
extern int afs_fs_symlink(struct afs_operation *, const char *, const char *,
struct afs_status_cb *, struct afs_fid *, struct afs_status_cb *);
extern int afs_fs_rename(struct afs_fs_cursor *, const char *,
extern int afs_fs_rename(struct afs_operation *, const char *,
struct afs_vnode *, const char *,
struct afs_status_cb *, struct afs_status_cb *);
extern int afs_fs_store_data(struct afs_fs_cursor *, struct address_space *,
extern int afs_fs_store_data(struct afs_operation *, struct address_space *,
pgoff_t, pgoff_t, unsigned, unsigned, struct afs_status_cb *);
extern int afs_fs_setattr(struct afs_fs_cursor *, struct iattr *, struct afs_status_cb *);
extern int afs_fs_get_volume_status(struct afs_fs_cursor *, struct afs_volume_status *);
extern int afs_fs_set_lock(struct afs_fs_cursor *, afs_lock_type_t, struct afs_status_cb *);
extern int afs_fs_extend_lock(struct afs_fs_cursor *, struct afs_status_cb *);
extern int afs_fs_release_lock(struct afs_fs_cursor *, struct afs_status_cb *);
extern int afs_fs_setattr(struct afs_operation *, struct iattr *, struct afs_status_cb *);
extern int afs_fs_get_volume_status(struct afs_operation *, struct afs_volume_status *);
extern int afs_fs_set_lock(struct afs_operation *, afs_lock_type_t, struct afs_status_cb *);
extern int afs_fs_extend_lock(struct afs_operation *, struct afs_status_cb *);
extern int afs_fs_release_lock(struct afs_operation *, struct afs_status_cb *);
extern int afs_fs_give_up_all_callbacks(struct afs_net *, struct afs_server *,
struct afs_addr_cursor *, struct key *);
extern bool afs_fs_get_capabilities(struct afs_net *, struct afs_server *,
struct afs_addr_cursor *, struct key *);
extern int afs_fs_inline_bulk_status(struct afs_fs_cursor *, struct afs_net *,
extern int afs_fs_inline_bulk_status(struct afs_operation *, struct afs_net *,
struct afs_fid *, struct afs_status_cb *,
unsigned int, struct afs_volsync *);
extern int afs_fs_fetch_status(struct afs_fs_cursor *, struct afs_net *,
extern int afs_fs_fetch_status(struct afs_operation *, struct afs_net *,
struct afs_fid *, struct afs_status_cb *,
struct afs_volsync *);
@ -995,8 +995,8 @@ struct afs_acl {
u8 data[];
};
extern struct afs_acl *afs_fs_fetch_acl(struct afs_fs_cursor *, struct afs_status_cb *);
extern int afs_fs_store_acl(struct afs_fs_cursor *, const struct afs_acl *,
extern struct afs_acl *afs_fs_fetch_acl(struct afs_operation *, struct afs_status_cb *);
extern int afs_fs_store_acl(struct afs_operation *, const struct afs_acl *,
struct afs_status_cb *);
/*
@ -1010,7 +1010,7 @@ extern void afs_fs_probe_dispatcher(struct work_struct *);
/*
* inode.c
*/
extern void afs_vnode_commit_status(struct afs_fs_cursor *,
extern void afs_vnode_commit_status(struct afs_operation *,
struct afs_vnode *,
unsigned int,
const afs_dataversion_t *,
@ -1109,11 +1109,11 @@ static inline void afs_put_sysnames(struct afs_sysnames *sysnames) {}
/*
* rotate.c
*/
extern bool afs_begin_vnode_operation(struct afs_fs_cursor *, struct afs_vnode *,
extern bool afs_begin_vnode_operation(struct afs_operation *, struct afs_vnode *,
struct key *, bool);
extern bool afs_select_fileserver(struct afs_fs_cursor *);
extern bool afs_select_current_fileserver(struct afs_fs_cursor *);
extern int afs_end_vnode_operation(struct afs_fs_cursor *);
extern bool afs_select_fileserver(struct afs_operation *);
extern bool afs_select_current_fileserver(struct afs_operation *);
extern int afs_end_vnode_operation(struct afs_operation *);
/*
* rxrpc.c
@ -1135,10 +1135,10 @@ extern void afs_send_simple_reply(struct afs_call *, const void *, size_t);
extern int afs_extract_data(struct afs_call *, bool);
extern int afs_protocol_error(struct afs_call *, enum afs_eproto_cause);
static inline void afs_set_fc_call(struct afs_call *call, struct afs_fs_cursor *fc)
static inline void afs_set_fc_call(struct afs_call *call, struct afs_operation *op)
{
call->intr = fc->flags & AFS_FS_CURSOR_INTR;
fc->type = call->type;
call->intr = op->flags & AFS_OPERATION_INTR;
op->type = call->type;
}
static inline void afs_extract_begin(struct afs_call *call, void *buf, size_t size)
@ -1256,7 +1256,7 @@ extern void afs_manage_servers(struct work_struct *);
extern void afs_servers_timer(struct timer_list *);
extern void afs_fs_probe_timer(struct timer_list *);
extern void __net_exit afs_purge_servers(struct afs_net *);
extern bool afs_check_server_record(struct afs_fs_cursor *, struct afs_server *);
extern bool afs_check_server_record(struct afs_operation *, struct afs_server *);
static inline void afs_inc_servers_outstanding(struct afs_net *net)
{
@ -1358,7 +1358,7 @@ extern struct afs_volume *afs_create_volume(struct afs_fs_context *);
extern void afs_activate_volume(struct afs_volume *);
extern void afs_deactivate_volume(struct afs_volume *);
extern void afs_put_volume(struct afs_cell *, struct afs_volume *);
extern int afs_check_volume_status(struct afs_volume *, struct afs_fs_cursor *);
extern int afs_check_volume_status(struct afs_volume *, struct afs_operation *);
/*
* write.c
@ -1387,34 +1387,34 @@ extern ssize_t afs_listxattr(struct dentry *, char *, size_t);
/*
* yfsclient.c
*/
extern int yfs_fs_fetch_file_status(struct afs_fs_cursor *, struct afs_status_cb *,
extern int yfs_fs_fetch_file_status(struct afs_operation *, struct afs_status_cb *,
struct afs_volsync *);
extern int yfs_fs_fetch_data(struct afs_fs_cursor *, struct afs_status_cb *, struct afs_read *);
extern int yfs_fs_create_file(struct afs_fs_cursor *, const char *, umode_t, struct afs_status_cb *,
extern int yfs_fs_fetch_data(struct afs_operation *, struct afs_status_cb *, struct afs_read *);
extern int yfs_fs_create_file(struct afs_operation *, const char *, umode_t, struct afs_status_cb *,
struct afs_fid *, struct afs_status_cb *);
extern int yfs_fs_make_dir(struct afs_fs_cursor *, const char *, umode_t, struct afs_status_cb *,
extern int yfs_fs_make_dir(struct afs_operation *, const char *, umode_t, struct afs_status_cb *,
struct afs_fid *, struct afs_status_cb *);
extern int yfs_fs_remove_file2(struct afs_fs_cursor *, struct afs_vnode *, const char *,
extern int yfs_fs_remove_file2(struct afs_operation *, struct afs_vnode *, const char *,
struct afs_status_cb *, struct afs_status_cb *);
extern int yfs_fs_remove(struct afs_fs_cursor *, struct afs_vnode *, const char *, bool,
extern int yfs_fs_remove(struct afs_operation *, struct afs_vnode *, const char *, bool,
struct afs_status_cb *);
extern int yfs_fs_link(struct afs_fs_cursor *, struct afs_vnode *, const char *,
extern int yfs_fs_link(struct afs_operation *, struct afs_vnode *, const char *,
struct afs_status_cb *, struct afs_status_cb *);
extern int yfs_fs_symlink(struct afs_fs_cursor *, const char *, const char *,
extern int yfs_fs_symlink(struct afs_operation *, const char *, const char *,
struct afs_status_cb *, struct afs_fid *, struct afs_status_cb *);
extern int yfs_fs_rename(struct afs_fs_cursor *, const char *, struct afs_vnode *, const char *,
extern int yfs_fs_rename(struct afs_operation *, const char *, struct afs_vnode *, const char *,
struct afs_status_cb *, struct afs_status_cb *);
extern int yfs_fs_store_data(struct afs_fs_cursor *, struct address_space *,
extern int yfs_fs_store_data(struct afs_operation *, struct address_space *,
pgoff_t, pgoff_t, unsigned, unsigned, struct afs_status_cb *);
extern int yfs_fs_setattr(struct afs_fs_cursor *, struct iattr *, struct afs_status_cb *);
extern int yfs_fs_get_volume_status(struct afs_fs_cursor *, struct afs_volume_status *);
extern int yfs_fs_set_lock(struct afs_fs_cursor *, afs_lock_type_t, struct afs_status_cb *);
extern int yfs_fs_extend_lock(struct afs_fs_cursor *, struct afs_status_cb *);
extern int yfs_fs_release_lock(struct afs_fs_cursor *, struct afs_status_cb *);
extern int yfs_fs_fetch_status(struct afs_fs_cursor *, struct afs_net *,
extern int yfs_fs_setattr(struct afs_operation *, struct iattr *, struct afs_status_cb *);
extern int yfs_fs_get_volume_status(struct afs_operation *, struct afs_volume_status *);
extern int yfs_fs_set_lock(struct afs_operation *, afs_lock_type_t, struct afs_status_cb *);
extern int yfs_fs_extend_lock(struct afs_operation *, struct afs_status_cb *);
extern int yfs_fs_release_lock(struct afs_operation *, struct afs_status_cb *);
extern int yfs_fs_fetch_status(struct afs_operation *, struct afs_net *,
struct afs_fid *, struct afs_status_cb *,
struct afs_volsync *);
extern int yfs_fs_inline_bulk_status(struct afs_fs_cursor *, struct afs_net *,
extern int yfs_fs_inline_bulk_status(struct afs_operation *, struct afs_net *,
struct afs_fid *, struct afs_status_cb *,
unsigned int, struct afs_volsync *);
@ -1429,9 +1429,9 @@ struct yfs_acl {
};
extern void yfs_free_opaque_acl(struct yfs_acl *);
extern struct yfs_acl *yfs_fs_fetch_opaque_acl(struct afs_fs_cursor *, struct yfs_acl *,
extern struct yfs_acl *yfs_fs_fetch_opaque_acl(struct afs_operation *, struct yfs_acl *,
struct afs_status_cb *);
extern int yfs_fs_store_opaque_acl2(struct afs_fs_cursor *, const struct afs_acl *,
extern int yfs_fs_store_opaque_acl2(struct afs_operation *, const struct afs_acl *,
struct afs_status_cb *);
/*
@ -1447,10 +1447,10 @@ static inline struct inode *AFS_VNODE_TO_I(struct afs_vnode *vnode)
return &vnode->vfs_inode;
}
static inline void afs_check_for_remote_deletion(struct afs_fs_cursor *fc,
static inline void afs_check_for_remote_deletion(struct afs_operation *op,
struct afs_vnode *vnode)
{
if (fc->ac.error == -ENOENT) {
if (op->ac.error == -ENOENT) {
set_bit(AFS_VNODE_DELETED, &vnode->flags);
afs_break_callback(vnode, afs_cb_break_for_deleted);
}

292
fs/afs/rotate.c
View File

@ -20,20 +20,20 @@
* Fileserver operations are serialised on the server by vnode, so we serialise
* them here also using the io_lock.
*/
bool afs_begin_vnode_operation(struct afs_fs_cursor *fc, struct afs_vnode *vnode,
bool afs_begin_vnode_operation(struct afs_operation *op, struct afs_vnode *vnode,
struct key *key, bool intr)
{
memset(fc, 0, sizeof(*fc));
fc->vnode = vnode;
fc->key = key;
fc->ac.error = SHRT_MAX;
fc->error = -EDESTADDRREQ;
memset(op, 0, sizeof(*op));
op->vnode = vnode;
op->key = key;
op->ac.error = SHRT_MAX;
op->error = -EDESTADDRREQ;
if (intr) {
fc->flags |= AFS_FS_CURSOR_INTR;
op->flags |= AFS_OPERATION_INTR;
if (mutex_lock_interruptible(&vnode->io_lock) < 0) {
fc->error = -EINTR;
fc->flags |= AFS_FS_CURSOR_STOP;
op->error = -EINTR;
op->flags |= AFS_OPERATION_STOP;
return false;
}
} else {
@ -41,7 +41,7 @@ bool afs_begin_vnode_operation(struct afs_fs_cursor *fc, struct afs_vnode *vnode
}
if (vnode->lock_state != AFS_VNODE_LOCK_NONE)
fc->flags |= AFS_FS_CURSOR_CUR_ONLY;
op->flags |= AFS_OPERATION_CUR_ONLY;
return true;
}
@ -49,26 +49,26 @@ bool afs_begin_vnode_operation(struct afs_fs_cursor *fc, struct afs_vnode *vnode
* Begin iteration through a server list, starting with the vnode's last used
* server if possible, or the last recorded good server if not.
*/
static bool afs_start_fs_iteration(struct afs_fs_cursor *fc,
static bool afs_start_fs_iteration(struct afs_operation *op,
struct afs_vnode *vnode)
{
struct afs_cb_interest *cbi;
int i;
read_lock(&vnode->volume->servers_lock);
fc->server_list = afs_get_serverlist(vnode->volume->servers);
op->server_list = afs_get_serverlist(vnode->volume->servers);
read_unlock(&vnode->volume->servers_lock);
fc->untried = (1UL << fc->server_list->nr_servers) - 1;
fc->index = READ_ONCE(fc->server_list->preferred);
op->untried = (1UL << op->server_list->nr_servers) - 1;
op->index = READ_ONCE(op->server_list->preferred);
cbi = rcu_dereference_protected(vnode->cb_interest,
lockdep_is_held(&vnode->io_lock));
if (cbi) {
/* See if the vnode's preferred record is still available */
for (i = 0; i < fc->server_list->nr_servers; i++) {
if (fc->server_list->servers[i].cb_interest == cbi) {
fc->index = i;
for (i = 0; i < op->server_list->nr_servers; i++) {
if (op->server_list->servers[i].cb_interest == cbi) {
op->index = i;
goto found_interest;
}
}
@ -77,8 +77,8 @@ static bool afs_start_fs_iteration(struct afs_fs_cursor *fc,
* serving this vnode, then we can't switch to another server
* and have to return an error.
*/
if (fc->flags & AFS_FS_CURSOR_CUR_ONLY) {
fc->error = -ESTALE;
if (op->flags & AFS_OPERATION_CUR_ONLY) {
op->error = -ESTALE;
return false;
}
@ -118,12 +118,12 @@ static void afs_busy(struct afs_volume *volume, u32 abort_code)
/*
* Sleep and retry the operation to the same fileserver.
*/
static bool afs_sleep_and_retry(struct afs_fs_cursor *fc)
static bool afs_sleep_and_retry(struct afs_operation *op)
{
if (fc->flags & AFS_FS_CURSOR_INTR) {
if (op->flags & AFS_OPERATION_INTR) {
msleep_interruptible(1000);
if (signal_pending(current)) {
fc->error = -ERESTARTSYS;
op->error = -ERESTARTSYS;
return false;
}
} else {
@ -137,26 +137,26 @@ static bool afs_sleep_and_retry(struct afs_fs_cursor *fc)
* Select the fileserver to use. May be called multiple times to rotate
* through the fileservers.
*/
bool afs_select_fileserver(struct afs_fs_cursor *fc)
bool afs_select_fileserver(struct afs_operation *op)
{
struct afs_addr_list *alist;
struct afs_server *server;
struct afs_vnode *vnode = fc->vnode;
struct afs_vnode *vnode = op->vnode;
struct afs_error e;
u32 rtt;
int error = fc->ac.error, i;
int error = op->ac.error, i;
_enter("%lx[%d],%lx[%d],%d,%d",
fc->untried, fc->index,
fc->ac.tried, fc->ac.index,
error, fc->ac.abort_code);
op->untried, op->index,
op->ac.tried, op->ac.index,
error, op->ac.abort_code);
if (fc->flags & AFS_FS_CURSOR_STOP) {
if (op->flags & AFS_OPERATION_STOP) {
_leave(" = f [stopped]");
return false;
}
fc->nr_iterations++;
op->nr_iterations++;
/* Evaluate the result of the previous operation, if there was one. */
switch (error) {
@ -166,8 +166,8 @@ bool afs_select_fileserver(struct afs_fs_cursor *fc)
case 0:
default:
/* Success or local failure. Stop. */
fc->error = error;
fc->flags |= AFS_FS_CURSOR_STOP;
op->error = error;
op->flags |= AFS_OPERATION_STOP;
_leave(" = f [okay/local %d]", error);
return false;
@ -175,42 +175,42 @@ bool afs_select_fileserver(struct afs_fs_cursor *fc)
/* The far side rejected the operation on some grounds. This
* might involve the server being busy or the volume having been moved.
*/
switch (fc->ac.abort_code) {
switch (op->ac.abort_code) {
case VNOVOL:
/* This fileserver doesn't know about the volume.
* - May indicate that the VL is wrong - retry once and compare
* the results.
* - May indicate that the fileserver couldn't attach to the vol.
*/
if (fc->flags & AFS_FS_CURSOR_VNOVOL) {
fc->error = -EREMOTEIO;
if (op->flags & AFS_OPERATION_VNOVOL) {
op->error = -EREMOTEIO;
goto next_server;
}
write_lock(&vnode->volume->servers_lock);
fc->server_list->vnovol_mask |= 1 << fc->index;
op->server_list->vnovol_mask |= 1 << op->index;
write_unlock(&vnode->volume->servers_lock);
set_bit(AFS_VOLUME_NEEDS_UPDATE, &vnode->volume->flags);
error = afs_check_volume_status(vnode->volume, fc);
error = afs_check_volume_status(vnode->volume, op);
if (error < 0)
goto failed_set_error;
if (test_bit(AFS_VOLUME_DELETED, &vnode->volume->flags)) {
fc->error = -ENOMEDIUM;
op->error = -ENOMEDIUM;
goto failed;
}
/* If the server list didn't change, then assume that
* it's the fileserver having trouble.
*/
if (vnode->volume->servers == fc->server_list) {
fc->error = -EREMOTEIO;
if (vnode->volume->servers == op->server_list) {
op->error = -EREMOTEIO;
goto next_server;
}
/* Try again */
fc->flags |= AFS_FS_CURSOR_VNOVOL;
op->flags |= AFS_OPERATION_VNOVOL;
_leave(" = t [vnovol]");
return true;
@ -220,20 +220,20 @@ bool afs_select_fileserver(struct afs_fs_cursor *fc)
case VONLINE:
case VDISKFULL:
case VOVERQUOTA:
fc->error = afs_abort_to_error(fc->ac.abort_code);
op->error = afs_abort_to_error(op->ac.abort_code);
goto next_server;
case VOFFLINE:
if (!test_and_set_bit(AFS_VOLUME_OFFLINE, &vnode->volume->flags)) {
afs_busy(vnode->volume, fc->ac.abort_code);
afs_busy(vnode->volume, op->ac.abort_code);
clear_bit(AFS_VOLUME_BUSY, &vnode->volume->flags);
}
if (fc->flags & AFS_FS_CURSOR_NO_VSLEEP) {
fc->error = -EADV;
if (op->flags & AFS_OPERATION_NO_VSLEEP) {
op->error = -EADV;
goto failed;
}
if (fc->flags & AFS_FS_CURSOR_CUR_ONLY) {
fc->error = -ESTALE;
if (op->flags & AFS_OPERATION_CUR_ONLY) {
op->error = -ESTALE;
goto failed;
}
goto busy;
@ -244,17 +244,17 @@ bool afs_select_fileserver(struct afs_fs_cursor *fc)
/* Retry after going round all the servers unless we
* have a file lock we need to maintain.
*/
if (fc->flags & AFS_FS_CURSOR_NO_VSLEEP) {
fc->error = -EBUSY;
if (op->flags & AFS_OPERATION_NO_VSLEEP) {
op->error = -EBUSY;
goto failed;
}
if (!test_and_set_bit(AFS_VOLUME_BUSY, &vnode->volume->flags)) {
afs_busy(vnode->volume, fc->ac.abort_code);
afs_busy(vnode->volume, op->ac.abort_code);
clear_bit(AFS_VOLUME_OFFLINE, &vnode->volume->flags);
}
busy:
if (fc->flags & AFS_FS_CURSOR_CUR_ONLY) {
if (!afs_sleep_and_retry(fc))
if (op->flags & AFS_OPERATION_CUR_ONLY) {
if (!afs_sleep_and_retry(op))
goto failed;
/* Retry with same server & address */
@ -262,7 +262,7 @@ bool afs_select_fileserver(struct afs_fs_cursor *fc)
return true;
}
fc->flags |= AFS_FS_CURSOR_VBUSY;
op->flags |= AFS_OPERATION_VBUSY;
goto next_server;
case VMOVED:
@ -273,15 +273,15 @@ bool afs_select_fileserver(struct afs_fs_cursor *fc)
* We also limit the number of VMOVED hops we will
* honour, just in case someone sets up a loop.
*/
if (fc->flags & AFS_FS_CURSOR_VMOVED) {
fc->error = -EREMOTEIO;
if (op->flags & AFS_OPERATION_VMOVED) {
op->error = -EREMOTEIO;
goto failed;
}
fc->flags |= AFS_FS_CURSOR_VMOVED;
op->flags |= AFS_OPERATION_VMOVED;
set_bit(AFS_VOLUME_WAIT, &vnode->volume->flags);
set_bit(AFS_VOLUME_NEEDS_UPDATE, &vnode->volume->flags);
error = afs_check_volume_status(vnode->volume, fc);
error = afs_check_volume_status(vnode->volume, op);
if (error < 0)
goto failed_set_error;
@ -294,8 +294,8 @@ bool afs_select_fileserver(struct afs_fs_cursor *fc)
*
* TODO: Retry a few times with sleeps.
*/
if (vnode->volume->servers == fc->server_list) {
fc->error = -ENOMEDIUM;
if (vnode->volume->servers == op->server_list) {
op->error = -ENOMEDIUM;
goto failed;
}
@ -304,13 +304,13 @@ bool afs_select_fileserver(struct afs_fs_cursor *fc)
default:
clear_bit(AFS_VOLUME_OFFLINE, &vnode->volume->flags);
clear_bit(AFS_VOLUME_BUSY, &vnode->volume->flags);
fc->error = afs_abort_to_error(fc->ac.abort_code);
op->error = afs_abort_to_error(op->ac.abort_code);
goto failed;
}
case -ETIMEDOUT:
case -ETIME:
if (fc->error != -EDESTADDRREQ)
if (op->error != -EDESTADDRREQ)
goto iterate_address;
/* Fall through */
case -ERFKILL:
@ -320,83 +320,83 @@ bool afs_select_fileserver(struct afs_fs_cursor *fc)
case -EHOSTDOWN:
case -ECONNREFUSED:
_debug("no conn");
fc->error = error;
op->error = error;
goto iterate_address;
case -ECONNRESET:
_debug("call reset");
fc->error = error;
op->error = error;
goto failed;
}
restart_from_beginning:
_debug("restart");
afs_end_cursor(&fc->ac);
afs_put_cb_interest(afs_v2net(vnode), fc->cbi);
fc->cbi = NULL;
afs_put_serverlist(afs_v2net(vnode), fc->server_list);
fc->server_list = NULL;
afs_end_cursor(&op->ac);
afs_put_cb_interest(afs_v2net(vnode), op->cbi);
op->cbi = NULL;
afs_put_serverlist(afs_v2net(vnode), op->server_list);
op->server_list = NULL;
start:
_debug("start");
/* See if we need to do an update of the volume record. Note that the
* volume may have moved or even have been deleted.
*/
error = afs_check_volume_status(vnode->volume, fc);
error = afs_check_volume_status(vnode->volume, op);
if (error < 0)
goto failed_set_error;
if (!afs_start_fs_iteration(fc, vnode))
if (!afs_start_fs_iteration(op, vnode))
goto failed;
_debug("__ VOL %llx __", vnode->volume->vid);
pick_server:
_debug("pick [%lx]", fc->untried);
_debug("pick [%lx]", op->untried);
error = afs_wait_for_fs_probes(fc->server_list, fc->untried);
error = afs_wait_for_fs_probes(op->server_list, op->untried);
if (error < 0)
goto failed_set_error;
/* Pick the untried server with the lowest RTT. If we have outstanding
* callbacks, we stick with the server we're already using if we can.
*/
if (fc->cbi) {
_debug("cbi %u", fc->index);
if (test_bit(fc->index, &fc->untried))
if (op->cbi) {
_debug("cbi %u", op->index);
if (test_bit(op->index, &op->untried))
goto selected_server;
afs_put_cb_interest(afs_v2net(vnode), fc->cbi);
fc->cbi = NULL;
afs_put_cb_interest(afs_v2net(vnode), op->cbi);
op->cbi = NULL;
_debug("nocbi");
}
fc->index = -1;
op->index = -1;
rtt = U32_MAX;
for (i = 0; i < fc->server_list->nr_servers; i++) {
struct afs_server *s = fc->server_list->servers[i].server;
for (i = 0; i < op->server_list->nr_servers; i++) {
struct afs_server *s = op->server_list->servers[i].server;
if (!test_bit(i, &fc->untried) || !s->probe.responded)
if (!test_bit(i, &op->untried) || !s->probe.responded)
continue;
if (s->probe.rtt < rtt) {
fc->index = i;
op->index = i;
rtt = s->probe.rtt;
}
}
if (fc->index == -1)
if (op->index == -1)
goto no_more_servers;
selected_server:
_debug("use %d", fc->index);
__clear_bit(fc->index, &fc->untried);
_debug("use %d", op->index);
__clear_bit(op->index, &op->untried);
/* We're starting on a different fileserver from the list. We need to
* check it, create a callback intercept, find its address list and
* probe its capabilities before we use it.
*/
ASSERTCMP(fc->ac.alist, ==, NULL);
server = fc->server_list->servers[fc->index].server;
ASSERTCMP(op->ac.alist, ==, NULL);
server = op->server_list->servers[op->index].server;
if (!afs_check_server_record(fc, server))
if (!afs_check_server_record(op, server))
goto failed;
_debug("USING SERVER: %pU", &server->uuid);
@ -406,12 +406,12 @@ selected_server:
* break request before we've finished decoding the reply and
* installing the vnode.
*/
error = afs_register_server_cb_interest(vnode, fc->server_list,
fc->index);
error = afs_register_server_cb_interest(vnode, op->server_list,
op->index);
if (error < 0)
goto failed_set_error;
fc->cbi = afs_get_cb_interest(
op->cbi = afs_get_cb_interest(
rcu_dereference_protected(vnode->cb_interest,
lockdep_is_held(&vnode->io_lock)));
@ -421,44 +421,44 @@ selected_server:
afs_get_addrlist(alist);
read_unlock(&server->fs_lock);
memset(&fc->ac, 0, sizeof(fc->ac));
memset(&op->ac, 0, sizeof(op->ac));
if (!fc->ac.alist)
fc->ac.alist = alist;
if (!op->ac.alist)
op->ac.alist = alist;
else
afs_put_addrlist(alist);
fc->ac.index = -1;
op->ac.index = -1;
iterate_address:
ASSERT(fc->ac.alist);
ASSERT(op->ac.alist);
/* Iterate over the current server's address list to try and find an
* address on which it will respond to us.
*/
if (!afs_iterate_addresses(&fc->ac))
if (!afs_iterate_addresses(&op->ac))
goto next_server;
_debug("address [%u] %u/%u", fc->index, fc->ac.index, fc->ac.alist->nr_addrs);
_debug("address [%u] %u/%u", op->index, op->ac.index, op->ac.alist->nr_addrs);
_leave(" = t");
return true;
next_server:
_debug("next");
afs_end_cursor(&fc->ac);
afs_end_cursor(&op->ac);
goto pick_server;
no_more_servers:
/* That's all the servers poked to no good effect. Try again if some
* of them were busy.
*/
if (fc->flags & AFS_FS_CURSOR_VBUSY)
if (op->flags & AFS_OPERATION_VBUSY)
goto restart_from_beginning;
e.error = -EDESTADDRREQ;
e.responded = false;
for (i = 0; i < fc->server_list->nr_servers; i++) {
struct afs_server *s = fc->server_list->servers[i].server;
for (i = 0; i < op->server_list->nr_servers; i++) {
struct afs_server *s = op->server_list->servers[i].server;
afs_prioritise_error(&e, READ_ONCE(s->probe.error),
s->probe.abort_code);
@ -467,11 +467,11 @@ no_more_servers:
error = e.error;
failed_set_error:
fc->error = error;
op->error = error;
failed:
fc->flags |= AFS_FS_CURSOR_STOP;
afs_end_cursor(&fc->ac);
_leave(" = f [failed %d]", fc->error);
op->flags |= AFS_OPERATION_STOP;
afs_end_cursor(&op->ac);
_leave(" = f [failed %d]", op->error);
return false;
}
@ -480,12 +480,12 @@ failed:
* fileserver. We use this when we have a lock on that file, which is backed
* only by the fileserver we obtained it from.
*/
bool afs_select_current_fileserver(struct afs_fs_cursor *fc)
bool afs_select_current_fileserver(struct afs_operation *op)
{
struct afs_vnode *vnode = fc->vnode;
struct afs_vnode *vnode = op->vnode;
struct afs_cb_interest *cbi;
struct afs_addr_list *alist;
int error = fc->ac.error;
int error = op->ac.error;
_enter("");
@ -495,12 +495,12 @@ bool afs_select_current_fileserver(struct afs_fs_cursor *fc)
switch (error) {
case SHRT_MAX:
if (!cbi) {
fc->error = -ESTALE;
fc->flags |= AFS_FS_CURSOR_STOP;
op->error = -ESTALE;
op->flags |= AFS_OPERATION_STOP;
return false;
}
fc->cbi = afs_get_cb_interest(cbi);
op->cbi = afs_get_cb_interest(cbi);
read_lock(&cbi->server->fs_lock);
alist = rcu_dereference_protected(cbi->server->addresses,
@ -508,27 +508,27 @@ bool afs_select_current_fileserver(struct afs_fs_cursor *fc)
afs_get_addrlist(alist);
read_unlock(&cbi->server->fs_lock);
if (!alist) {
fc->error = -ESTALE;
fc->flags |= AFS_FS_CURSOR_STOP;
op->error = -ESTALE;
op->flags |= AFS_OPERATION_STOP;
return false;
}
memset(&fc->ac, 0, sizeof(fc->ac));
fc->ac.alist = alist;
fc->ac.index = -1;
memset(&op->ac, 0, sizeof(op->ac));
op->ac.alist = alist;
op->ac.index = -1;
goto iterate_address;
case 0:
default:
/* Success or local failure. Stop. */
fc->error = error;
fc->flags |= AFS_FS_CURSOR_STOP;
op->error = error;
op->flags |= AFS_OPERATION_STOP;
_leave(" = f [okay/local %d]", error);
return false;
case -ECONNABORTED:
fc->error = afs_abort_to_error(fc->ac.abort_code);
fc->flags |= AFS_FS_CURSOR_STOP;
op->error = afs_abort_to_error(op->ac.abort_code);
op->flags |= AFS_OPERATION_STOP;
_leave(" = f [abort]");
return false;
@ -541,7 +541,7 @@ bool afs_select_current_fileserver(struct afs_fs_cursor *fc)
case -ETIMEDOUT:
case -ETIME:
_debug("no conn");
fc->error = error;
op->error = error;
goto iterate_address;
}
@ -549,19 +549,19 @@ iterate_address:
/* Iterate over the current server's address list to try and find an
* address on which it will respond to us.
*/
if (afs_iterate_addresses(&fc->ac)) {
if (afs_iterate_addresses(&op->ac)) {
_leave(" = t");
return true;
}
afs_end_cursor(&fc->ac);
afs_end_cursor(&op->ac);
return false;
}
/*
* Dump cursor state in the case of the error being EDESTADDRREQ.
*/
static void afs_dump_edestaddrreq(const struct afs_fs_cursor *fc)
static void afs_dump_edestaddrreq(const struct afs_operation *op)
{
static int count;
int i;
@ -574,12 +574,12 @@ static void afs_dump_edestaddrreq(const struct afs_fs_cursor *fc)
pr_notice("EDESTADDR occurred\n");
pr_notice("FC: cbb=%x cbb2=%x fl=%hx err=%hd\n",
fc->cb_break, fc->cb_break_2, fc->flags, fc->error);
op->cb_break, op->cb_break_2, op->flags, op->error);
pr_notice("FC: ut=%lx ix=%d ni=%u\n",
fc->untried, fc->index, fc->nr_iterations);
op->untried, op->index, op->nr_iterations);
if (fc->server_list) {
const struct afs_server_list *sl = fc->server_list;
if (op->server_list) {
const struct afs_server_list *sl = op->server_list;
pr_notice("FC: SL nr=%u pr=%u vnov=%hx\n",
sl->nr_servers, sl->preferred, sl->vnovol_mask);
for (i = 0; i < sl->nr_servers; i++) {
@ -595,39 +595,39 @@ static void afs_dump_edestaddrreq(const struct afs_fs_cursor *fc)
a->preferred);
pr_notice("FC: - R=%lx F=%lx\n",
a->responded, a->failed);
if (a == fc->ac.alist)
if (a == op->ac.alist)
pr_notice("FC: - current\n");
}
}
}
pr_notice("AC: t=%lx ax=%u ac=%d er=%d r=%u ni=%u\n",
fc->ac.tried, fc->ac.index, fc->ac.abort_code, fc->ac.error,
fc->ac.responded, fc->ac.nr_iterations);
op->ac.tried, op->ac.index, op->ac.abort_code, op->ac.error,
op->ac.responded, op->ac.nr_iterations);
rcu_read_unlock();
}
/*
* Tidy up a filesystem cursor and unlock the vnode.
*/
int afs_end_vnode_operation(struct afs_fs_cursor *fc)
int afs_end_vnode_operation(struct afs_operation *op)
{
struct afs_net *net = afs_v2net(fc->vnode);
struct afs_net *net = afs_v2net(op->vnode);
if (fc->error == -EDESTADDRREQ ||
fc->error == -EADDRNOTAVAIL ||
fc->error == -ENETUNREACH ||
fc->error == -EHOSTUNREACH)
afs_dump_edestaddrreq(fc);
if (op->error == -EDESTADDRREQ ||
op->error == -EADDRNOTAVAIL ||
op->error == -ENETUNREACH ||
op->error == -EHOSTUNREACH)
afs_dump_edestaddrreq(op);
mutex_unlock(&fc->vnode->io_lock);
mutex_unlock(&op->vnode->io_lock);
afs_end_cursor(&fc->ac);
afs_put_cb_interest(net, fc->cbi);
afs_put_serverlist(net, fc->server_list);
afs_end_cursor(&op->ac);
afs_put_cb_interest(net, op->cbi);
afs_put_serverlist(net, op->server_list);
if (fc->error == -ECONNABORTED)
fc->error = afs_abort_to_error(fc->ac.abort_code);
if (op->error == -ECONNABORTED)
op->error = afs_abort_to_error(op->ac.abort_code);
return fc->error;
return op->error;
}

8
fs/afs/server.c
View File

@ -571,7 +571,7 @@ void afs_purge_servers(struct afs_net *net)
/*
* Get an update for a server's address list.
*/
static noinline bool afs_update_server_record(struct afs_fs_cursor *fc, struct afs_server *server)
static noinline bool afs_update_server_record(struct afs_operation *fc, struct afs_server *server)
{
struct afs_addr_list *alist, *discard;
@ -585,7 +585,7 @@ static noinline bool afs_update_server_record(struct afs_fs_cursor *fc, struct a
if (IS_ERR(alist)) {
if ((PTR_ERR(alist) == -ERESTARTSYS ||
PTR_ERR(alist) == -EINTR) &&
!(fc->flags & AFS_FS_CURSOR_INTR) &&
!(fc->flags & AFS_OPERATION_INTR) &&
server->addresses) {
_leave(" = t [intr]");
return true;
@ -613,7 +613,7 @@ static noinline bool afs_update_server_record(struct afs_fs_cursor *fc, struct a
/*
* See if a server's address list needs updating.
*/
bool afs_check_server_record(struct afs_fs_cursor *fc, struct afs_server *server)
bool afs_check_server_record(struct afs_operation *fc, struct afs_server *server)
{
bool success;
int ret, retries = 0;
@ -642,7 +642,7 @@ update:
wait:
ret = wait_on_bit(&server->flags, AFS_SERVER_FL_UPDATING,
(fc->flags & AFS_FS_CURSOR_INTR) ?
(fc->flags & AFS_OPERATION_INTR) ?
TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
if (ret == -ERESTARTSYS) {
fc->error = ret;

4
fs/afs/super.c
View File

@ -715,7 +715,7 @@ static void afs_destroy_inode(struct inode *inode)
static int afs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct afs_super_info *as = AFS_FS_S(dentry->d_sb);
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_volume_status vs;
struct afs_vnode *vnode = AFS_FS_I(d_inode(dentry));
struct key *key;
@ -738,7 +738,7 @@ static int afs_statfs(struct dentry *dentry, struct kstatfs *buf)
ret = -ERESTARTSYS;
if (afs_begin_vnode_operation(&fc, vnode, key, true)) {
fc.flags |= AFS_FS_CURSOR_NO_VSLEEP;
fc.flags |= AFS_OPERATION_NO_VSLEEP;
while (afs_select_fileserver(&fc)) {
fc.cb_break = afs_calc_vnode_cb_break(vnode);
afs_fs_get_volume_status(&fc, &vs);

4
fs/afs/volume.c
View File

@ -280,7 +280,7 @@ error:
/*
* Make sure the volume record is up to date.
*/
int afs_check_volume_status(struct afs_volume *volume, struct afs_fs_cursor *fc)
int afs_check_volume_status(struct afs_volume *volume, struct afs_operation *fc)
{
int ret, retries = 0;
@ -315,7 +315,7 @@ wait:
}
ret = wait_on_bit(&volume->flags, AFS_VOLUME_WAIT,
(fc->flags & AFS_FS_CURSOR_INTR) ?
(fc->flags & AFS_OPERATION_INTR) ?
TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
if (ret == -ERESTARTSYS) {
_leave(" = %d", ret);

2
fs/afs/write.c
View File

@ -356,7 +356,7 @@ static int afs_store_data(struct address_space *mapping,
unsigned offset, unsigned to)
{
struct afs_vnode *vnode = AFS_FS_I(mapping->host);
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
struct afs_wb_key *wbk = NULL;
struct list_head *p;

8
fs/afs/xattr.c
View File

@ -42,7 +42,7 @@ static int afs_xattr_get_acl(const struct xattr_handler *handler,
struct inode *inode, const char *name,
void *buffer, size_t size)
{
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
struct afs_vnode *vnode = AFS_FS_I(inode);
struct afs_acl *acl = NULL;
@ -100,7 +100,7 @@ static int afs_xattr_set_acl(const struct xattr_handler *handler,
struct inode *inode, const char *name,
const void *buffer, size_t size, int flags)
{
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
struct afs_vnode *vnode = AFS_FS_I(inode);
struct afs_acl *acl = NULL;
@ -165,7 +165,7 @@ static int afs_xattr_get_yfs(const struct xattr_handler *handler,
struct inode *inode, const char *name,
void *buffer, size_t size)
{
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
struct afs_vnode *vnode = AFS_FS_I(inode);
struct yfs_acl *yacl = NULL;
@ -270,7 +270,7 @@ static int afs_xattr_set_yfs(const struct xattr_handler *handler,
struct inode *inode, const char *name,
const void *buffer, size_t size, int flags)
{
struct afs_fs_cursor fc;
struct afs_operation fc;
struct afs_status_cb *scb;
struct afs_vnode *vnode = AFS_FS_I(inode);
struct afs_acl *acl = NULL;

40
fs/afs/yfsclient.c
View File

@ -387,7 +387,7 @@ static const struct afs_call_type yfs_RXYFSFetchStatus_vnode = {
/*
* Fetch the status information for a file.
*/
int yfs_fs_fetch_file_status(struct afs_fs_cursor *fc, struct afs_status_cb *scb,
int yfs_fs_fetch_file_status(struct afs_operation *fc, struct afs_status_cb *scb,
struct afs_volsync *volsync)
{
struct afs_vnode *vnode = fc->vnode;
@ -575,7 +575,7 @@ static const struct afs_call_type yfs_RXYFSFetchData64 = {
/*
* Fetch data from a file.
*/
int yfs_fs_fetch_data(struct afs_fs_cursor *fc, struct afs_status_cb *scb,
int yfs_fs_fetch_data(struct afs_operation *fc, struct afs_status_cb *scb,
struct afs_read *req)
{
struct afs_vnode *vnode = fc->vnode;
@ -657,7 +657,7 @@ static const struct afs_call_type afs_RXFSCreateFile = {
/*
* Create a file.
*/
int yfs_fs_create_file(struct afs_fs_cursor *fc,
int yfs_fs_create_file(struct afs_operation *fc,
const char *name,
umode_t mode,
struct afs_status_cb *dvnode_scb,
@ -721,7 +721,7 @@ static const struct afs_call_type yfs_RXFSMakeDir = {
/*
* Make a directory.
*/
int yfs_fs_make_dir(struct afs_fs_cursor *fc,
int yfs_fs_make_dir(struct afs_operation *fc,
const char *name,
umode_t mode,
struct afs_status_cb *dvnode_scb,
@ -811,7 +811,7 @@ static const struct afs_call_type yfs_RXYFSRemoveFile2 = {
/*
* Remove a file and retrieve new file status.
*/
int yfs_fs_remove_file2(struct afs_fs_cursor *fc, struct afs_vnode *vnode,
int yfs_fs_remove_file2(struct afs_operation *fc, struct afs_vnode *vnode,
const char *name, struct afs_status_cb *dvnode_scb,
struct afs_status_cb *vnode_scb)
{
@ -896,7 +896,7 @@ static const struct afs_call_type yfs_RXYFSRemoveDir = {
/*
* remove a file or directory
*/
int yfs_fs_remove(struct afs_fs_cursor *fc, struct afs_vnode *vnode,
int yfs_fs_remove(struct afs_operation *fc, struct afs_vnode *vnode,
const char *name, bool isdir,
struct afs_status_cb *dvnode_scb)
{
@ -973,7 +973,7 @@ static const struct afs_call_type yfs_RXYFSLink = {
/*
* Make a hard link.
*/
int yfs_fs_link(struct afs_fs_cursor *fc, struct afs_vnode *vnode,
int yfs_fs_link(struct afs_operation *fc, struct afs_vnode *vnode,
const char *name,
struct afs_status_cb *dvnode_scb,
struct afs_status_cb *vnode_scb)
@ -1057,7 +1057,7 @@ static const struct afs_call_type yfs_RXYFSSymlink = {
/*
* Create a symbolic link.
*/
int yfs_fs_symlink(struct afs_fs_cursor *fc,
int yfs_fs_symlink(struct afs_operation *fc,
const char *name,
const char *contents,
struct afs_status_cb *dvnode_scb,
@ -1148,7 +1148,7 @@ static const struct afs_call_type yfs_RXYFSRename = {
/*
* Rename a file or directory.
*/
int yfs_fs_rename(struct afs_fs_cursor *fc,
int yfs_fs_rename(struct afs_operation *fc,
const char *orig_name,
struct afs_vnode *new_dvnode,
const char *new_name,
@ -1212,7 +1212,7 @@ static const struct afs_call_type yfs_RXYFSStoreData64 = {
/*
* Store a set of pages to a large file.
*/
int yfs_fs_store_data(struct afs_fs_cursor *fc, struct address_space *mapping,
int yfs_fs_store_data(struct afs_operation *fc, struct address_space *mapping,
pgoff_t first, pgoff_t last,
unsigned offset, unsigned to,
struct afs_status_cb *scb)
@ -1299,7 +1299,7 @@ static const struct afs_call_type yfs_RXYFSStoreData64_as_Status = {
* Set the attributes on a file, using YFS.StoreData64 rather than
* YFS.StoreStatus so as to alter the file size also.
*/
static int yfs_fs_setattr_size(struct afs_fs_cursor *fc, struct iattr *attr,
static int yfs_fs_setattr_size(struct afs_operation *fc, struct iattr *attr,
struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;
@ -1345,7 +1345,7 @@ static int yfs_fs_setattr_size(struct afs_fs_cursor *fc, struct iattr *attr,
* Set the attributes on a file, using YFS.StoreData64 if there's a change in
* file size, and YFS.StoreStatus otherwise.
*/
int yfs_fs_setattr(struct afs_fs_cursor *fc, struct iattr *attr,
int yfs_fs_setattr(struct afs_operation *fc, struct iattr *attr,
struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;
@ -1526,7 +1526,7 @@ static const struct afs_call_type yfs_RXYFSGetVolumeStatus = {
/*
* fetch the status of a volume
*/
int yfs_fs_get_volume_status(struct afs_fs_cursor *fc,
int yfs_fs_get_volume_status(struct afs_operation *fc,
struct afs_volume_status *vs)
{
struct afs_vnode *vnode = fc->vnode;
@ -1598,7 +1598,7 @@ static const struct afs_call_type yfs_RXYFSReleaseLock = {
/*
* Set a lock on a file
*/
int yfs_fs_set_lock(struct afs_fs_cursor *fc, afs_lock_type_t type,
int yfs_fs_set_lock(struct afs_operation *fc, afs_lock_type_t type,
struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;
@ -1639,7 +1639,7 @@ int yfs_fs_set_lock(struct afs_fs_cursor *fc, afs_lock_type_t type,
/*
* extend a lock on a file
*/
int yfs_fs_extend_lock(struct afs_fs_cursor *fc, struct afs_status_cb *scb)
int yfs_fs_extend_lock(struct afs_operation *fc, struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;
struct afs_call *call;
@ -1677,7 +1677,7 @@ int yfs_fs_extend_lock(struct afs_fs_cursor *fc, struct afs_status_cb *scb)
/*
* release a lock on a file
*/
int yfs_fs_release_lock(struct afs_fs_cursor *fc, struct afs_status_cb *scb)
int yfs_fs_release_lock(struct afs_operation *fc, struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;
struct afs_call *call;
@ -1725,7 +1725,7 @@ static const struct afs_call_type yfs_RXYFSFetchStatus = {
/*
* Fetch the status information for a fid without needing a vnode handle.
*/
int yfs_fs_fetch_status(struct afs_fs_cursor *fc,
int yfs_fs_fetch_status(struct afs_operation *fc,
struct afs_net *net,
struct afs_fid *fid,
struct afs_status_cb *scb,
@ -1888,7 +1888,7 @@ static const struct afs_call_type yfs_RXYFSInlineBulkStatus = {
/*
* Fetch the status information for up to 1024 files
*/
int yfs_fs_inline_bulk_status(struct afs_fs_cursor *fc,
int yfs_fs_inline_bulk_status(struct afs_operation *fc,
struct afs_net *net,
struct afs_fid *fids,
struct afs_status_cb *statuses,
@ -2065,7 +2065,7 @@ static const struct afs_call_type yfs_RXYFSFetchOpaqueACL = {
/*
* Fetch the YFS advanced ACLs for a file.
*/
struct yfs_acl *yfs_fs_fetch_opaque_acl(struct afs_fs_cursor *fc,
struct yfs_acl *yfs_fs_fetch_opaque_acl(struct afs_operation *fc,
struct yfs_acl *yacl,
struct afs_status_cb *scb)
{
@ -2119,7 +2119,7 @@ static const struct afs_call_type yfs_RXYFSStoreOpaqueACL2 = {
/*
* Fetch the YFS ACL for a file.
*/
int yfs_fs_store_opaque_acl2(struct afs_fs_cursor *fc, const struct afs_acl *acl,
int yfs_fs_store_opaque_acl2(struct afs_operation *fc, const struct afs_acl *acl,
struct afs_status_cb *scb)
{
struct afs_vnode *vnode = fc->vnode;