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CIFS: Make flush code use ops struct 

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Pavel Shilovsky 2012-09-18 16:20:27 -07:00 committed by Steve French
parent 2ae78ba85c
commit 1d8c4c0009
3 changed files with 26 additions and 4 deletions
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2
fs/cifs/cifsglob.h
View File

@ -274,6 +274,8 @@ struct smb_version_operations {
void (*set_fid)(struct cifsFileInfo *, struct cifs_fid *, __u32);
/* close a file */
int (*close)(const unsigned int, struct cifs_tcon *, struct cifs_fid *);
/* send a flush request to the server */
int (*flush)(const unsigned int, struct cifs_tcon *, struct cifs_fid *);
};
struct smb_version_values {

20
fs/cifs/file.c
View File

@ -2062,6 +2062,7 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
unsigned int xid;
int rc = 0;
struct cifs_tcon *tcon;
struct TCP_Server_Info *server;
struct cifsFileInfo *smbfile = file->private_data;
struct inode *inode = file->f_path.dentry->d_inode;
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
@ -2085,8 +2086,13 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
}
tcon = tlink_tcon(smbfile->tlink);
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC))
rc = CIFSSMBFlush(xid, tcon, smbfile->fid.netfid);
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC)) {
server = tcon->ses->server;
if (server->ops->flush)
rc = server->ops->flush(xid, tcon, &smbfile->fid);
else
rc = -ENOSYS;
}
free_xid(xid);
mutex_unlock(&inode->i_mutex);
@ -2098,6 +2104,7 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
unsigned int xid;
int rc = 0;
struct cifs_tcon *tcon;
struct TCP_Server_Info *server;
struct cifsFileInfo *smbfile = file->private_data;
struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
struct inode *inode = file->f_mapping->host;
@ -2113,8 +2120,13 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
file->f_path.dentry->d_name.name, datasync);
tcon = tlink_tcon(smbfile->tlink);
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC))
rc = CIFSSMBFlush(xid, tcon, smbfile->fid.netfid);
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC)) {
server = tcon->ses->server;
if (server->ops->flush)
rc = server->ops->flush(xid, tcon, &smbfile->fid);
else
rc = -ENOSYS;
}
free_xid(xid);
mutex_unlock(&inode->i_mutex);

8
fs/cifs/smb1ops.c
View File

@ -648,6 +648,13 @@ cifs_close_file(const unsigned int xid, struct cifs_tcon *tcon,
return CIFSSMBClose(xid, tcon, fid->netfid);
}
static int
cifs_flush_file(const unsigned int xid, struct cifs_tcon *tcon,
struct cifs_fid *fid)
{
return CIFSSMBFlush(xid, tcon, fid->netfid);
}
struct smb_version_operations smb1_operations = {
.send_cancel = send_nt_cancel,
.compare_fids = cifs_compare_fids,
@ -691,6 +698,7 @@ struct smb_version_operations smb1_operations = {
.open = cifs_open_file,
.set_fid = cifs_set_fid,
.close = cifs_close_file,
.flush = cifs_flush_file,
};
struct smb_version_values smb1_values = {