diff options
| -rw-r--r-- | fs/cifs/cifsglob.h | 2 | ||||
| -rw-r--r-- | fs/cifs/file.c | 20 | ||||
| -rw-r--r-- | fs/cifs/smb1ops.c | 8 |
3 files changed, 26 insertions, 4 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 500ecb921b85..abb831019039 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -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 { diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 628ee17007f8..aa1dccf0df9e 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -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); diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index dd64754ed8cb..df20dd9e64ca 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -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 = { |