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OpenCloudOS-Kernel
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convert get_sb_pseudo() users 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2010-07-25 23:47:46 +04:00
parent 3c26ff6e49
commit 51139adac9
8 changed files with 32 additions and 43 deletions
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9
arch/ia64/kernel/perfmon.c
View File

@ -618,16 +618,15 @@ pfm_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
}
static int
pfmfs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *data,
struct vfsmount *mnt)
static struct dentry *
pfmfs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data)
{
return get_sb_pseudo(fs_type, "pfm:", NULL, PFMFS_MAGIC, mnt);
return mount_pseudo(fs_type, "pfm:", NULL, PFMFS_MAGIC);
}
static struct file_system_type pfm_fs_type = {
.name = "pfmfs",
.get_sb = pfmfs_get_sb,
.mount = pfmfs_mount,
.kill_sb = kill_anon_super,
};

10
drivers/mtd/mtdchar.c
View File

@ -1030,17 +1030,15 @@ static const struct file_operations mtd_fops = {
#endif
};
static int mtd_inodefs_get_sb(struct file_system_type *fs_type, int flags,
const char *dev_name, void *data,
struct vfsmount *mnt)
static struct dentry *mtd_inodefs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
return get_sb_pseudo(fs_type, "mtd_inode:", NULL, MTD_INODE_FS_MAGIC,
mnt);
return mount_pseudo(fs_type, "mtd_inode:", NULL, MTD_INODE_FS_MAGIC);
}
static struct file_system_type mtd_inodefs_type = {
.name = "mtd_inodefs",
.get_sb = mtd_inodefs_get_sb,
.mount = mtd_inodefs_mount,
.kill_sb = kill_anon_super,
};

10
fs/anon_inodes.c
View File

@ -26,12 +26,10 @@ static struct vfsmount *anon_inode_mnt __read_mostly;
static struct inode *anon_inode_inode;
static const struct file_operations anon_inode_fops;
static int anon_inodefs_get_sb(struct file_system_type *fs_type, int flags,
const char *dev_name, void *data,
struct vfsmount *mnt)
static struct dentry *anon_inodefs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
return get_sb_pseudo(fs_type, "anon_inode:", NULL, ANON_INODE_FS_MAGIC,
mnt);
return mount_pseudo(fs_type, "anon_inode:", NULL, ANON_INODE_FS_MAGIC);
}
/*
@ -45,7 +43,7 @@ static char *anon_inodefs_dname(struct dentry *dentry, char *buffer, int buflen)
static struct file_system_type anon_inode_fs_type = {
.name = "anon_inodefs",
.get_sb = anon_inodefs_get_sb,
.mount = anon_inodefs_mount,
.kill_sb = kill_anon_super,
};
static const struct dentry_operations anon_inodefs_dentry_operations = {

8
fs/block_dev.c
View File

@ -464,15 +464,15 @@ static const struct super_operations bdev_sops = {
.evict_inode = bdev_evict_inode,
};
static int bd_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data, struct vfsmount *mnt)
static struct dentry *bd_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
return get_sb_pseudo(fs_type, "bdev:", &bdev_sops, 0x62646576, mnt);
return mount_pseudo(fs_type, "bdev:", &bdev_sops, 0x62646576);
}
static struct file_system_type bd_type = {
.name = "bdev",
.get_sb = bd_get_sb,
.mount = bd_mount,
.kill_sb = kill_anon_super,
};

14
fs/libfs.c
View File

@ -201,9 +201,8 @@ static const struct super_operations simple_super_operations = {
* Common helper for pseudo-filesystems (sockfs, pipefs, bdev - stuff that
* will never be mountable)
*/
int get_sb_pseudo(struct file_system_type *fs_type, char *name,
const struct super_operations *ops, unsigned long magic,
struct vfsmount *mnt)
struct dentry *mount_pseudo(struct file_system_type *fs_type, char *name,
const struct super_operations *ops, unsigned long magic)
{
struct super_block *s = sget(fs_type, NULL, set_anon_super, NULL);
struct dentry *dentry;
@ -211,7 +210,7 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name,
struct qstr d_name = {.name = name, .len = strlen(name)};
if (IS_ERR(s))
return PTR_ERR(s);
return ERR_CAST(s);
s->s_flags = MS_NOUSER;
s->s_maxbytes = MAX_LFS_FILESIZE;
@ -241,12 +240,11 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name,
d_instantiate(dentry, root);
s->s_root = dentry;
s->s_flags |= MS_ACTIVE;
simple_set_mnt(mnt, s);
return 0;
return dget(s->s_root);
Enomem:
deactivate_locked_super(s);
return -ENOMEM;
return ERR_PTR(-ENOMEM);
}
int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
@ -951,7 +949,7 @@ EXPORT_SYMBOL(dcache_dir_lseek);
EXPORT_SYMBOL(dcache_dir_open);
EXPORT_SYMBOL(dcache_readdir);
EXPORT_SYMBOL(generic_read_dir);
EXPORT_SYMBOL(get_sb_pseudo);
EXPORT_SYMBOL(mount_pseudo);
EXPORT_SYMBOL(simple_write_begin);
EXPORT_SYMBOL(simple_write_end);
EXPORT_SYMBOL(simple_dir_inode_operations);

9
fs/pipe.c
View File

@ -1247,16 +1247,15 @@ out:
* any operations on the root directory. However, we need a non-trivial
* d_name - pipe: will go nicely and kill the special-casing in procfs.
*/
static int pipefs_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data,
struct vfsmount *mnt)
static struct dentry *pipefs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
return get_sb_pseudo(fs_type, "pipe:", NULL, PIPEFS_MAGIC, mnt);
return mount_pseudo(fs_type, "pipe:", NULL, PIPEFS_MAGIC);
}
static struct file_system_type pipe_fs_type = {
.name = "pipefs",
.get_sb = pipefs_get_sb,
.mount = pipefs_mount,
.kill_sb = kill_anon_super,
};

5
include/linux/fs.h
View File

@ -1824,9 +1824,8 @@ struct super_block *sget(struct file_system_type *type,
int (*test)(struct super_block *,void *),
int (*set)(struct super_block *,void *),
void *data);
extern int get_sb_pseudo(struct file_system_type *, char *,
const struct super_operations *ops, unsigned long,
struct vfsmount *mnt);
extern struct dentry *mount_pseudo(struct file_system_type *, char *,
const struct super_operations *ops, unsigned long);
extern void simple_set_mnt(struct vfsmount *mnt, struct super_block *sb);
static inline void sb_mark_dirty(struct super_block *sb)

10
net/socket.c
View File

@ -305,19 +305,17 @@ static const struct super_operations sockfs_ops = {
.statfs = simple_statfs,
};
static int sockfs_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data,
struct vfsmount *mnt)
static struct dentry *sockfs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
return get_sb_pseudo(fs_type, "socket:", &sockfs_ops, SOCKFS_MAGIC,
mnt);
return mount_pseudo(fs_type, "socket:", &sockfs_ops, SOCKFS_MAGIC);
}
static struct vfsmount *sock_mnt __read_mostly;
static struct file_system_type sock_fs_type = {
.name = "sockfs",
.get_sb = sockfs_get_sb,
.mount = sockfs_mount,
.kill_sb = kill_anon_super,
};