diff options
Diffstat (limited to 'fs/smb/client/cifsfs.c')
| -rw-r--r-- | fs/smb/client/cifsfs.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c index 1775c2b7528f..05b1fa76e8cc 100644 --- a/fs/smb/client/cifsfs.c +++ b/fs/smb/client/cifsfs.c @@ -392,11 +392,27 @@ static long cifs_fallocate(struct file *file, int mode, loff_t off, loff_t len) struct cifs_sb_info *cifs_sb = CIFS_FILE_SB(file); struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); struct TCP_Server_Info *server = tcon->ses->server; + struct inode *inode = file_inode(file); + int rc; + + if (!server->ops->fallocate) + return -EOPNOTSUPP; + + rc = inode_lock_killable(inode); + if (rc) + return rc; + + netfs_wait_for_outstanding_io(inode); - if (server->ops->fallocate) - return server->ops->fallocate(file, tcon, mode, off, len); + rc = file_modified(file); + if (rc) + goto out_unlock; + + rc = server->ops->fallocate(file, tcon, mode, off, len); - return -EOPNOTSUPP; +out_unlock: + inode_unlock(inode); + return rc; } static int cifs_permission(struct mnt_idmap *idmap, |