Signed-off-by: Pavel Shilovsky <piastry@xxxxxxxxxxx>
---
fs/cifs/file.c | 39 ++++++++++-----------------------------
fs/cifs/smb2file.c | 12 ------------
2 files changed, 10 insertions(+), 41 deletions(-)
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 54541a6..cf67f8f 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -954,7 +954,6 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
int rc = 0, stored_rc;
struct cifsLockInfo *li, *tmp;
struct cifs_tcon *tcon;
- struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode);
unsigned int num, max_num, max_buf;
LOCKING_ANDX_RANGE *buf, *cur;
int types[] = {LOCKING_ANDX_LARGE_FILES,
@@ -964,21 +963,12 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
xid = get_xid();
tcon = tlink_tcon(cfile->tlink);
- /* we are going to update can_cache_brlcks here - need a write access */
- down_write(&cinode->lock_sem);
- if (!cinode->can_cache_brlcks) {
- up_write(&cinode->lock_sem);
- free_xid(xid);
- return rc;
- }
-
/*
* Accessing maxBuf is racy with cifs_reconnect - need to store value
* and check it for zero before using.
*/
max_buf = tcon->ses->server->maxBuf;
if (!max_buf) {
- up_write(&cinode->lock_sem);
free_xid(xid);
return -EINVAL;
}
@@ -987,7 +977,6 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
sizeof(LOCKING_ANDX_RANGE);
buf = kzalloc(max_num * sizeof(LOCKING_ANDX_RANGE), GFP_KERNEL);
if (!buf) {
- up_write(&cinode->lock_sem);
free_xid(xid);
return -ENOMEM;
}
@@ -1024,9 +1013,6 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
}
}
- cinode->can_cache_brlcks = false;
- up_write(&cinode->lock_sem);
-
kfree(buf);
free_xid(xid);
return rc;
@@ -1047,7 +1033,7 @@ struct lock_to_push {
};
static int
-cifs_push_posix_locks_locked(struct cifsFileInfo *cfile)
+cifs_push_posix_locks(struct cifsFileInfo *cfile)
{
struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
struct file_lock *flock, **before;
@@ -1135,9 +1121,11 @@ err_out:
}
static int
-cifs_push_posix_locks(struct cifsFileInfo *cfile)
+cifs_push_locks(struct cifsFileInfo *cfile)
{
+ struct cifs_sb_info *cifs_sb = CIFS_SB(cfile->dentry->d_sb);
struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode);
+ struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
int rc = 0;
/* we are going to update can_cache_brlcks here - need a write access */
@@ -1146,24 +1134,17 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
up_write(&cinode->lock_sem);
return rc;
}
- rc = cifs_push_posix_locks_locked(cfile);
- cinode->can_cache_brlcks = false;
- up_write(&cinode->lock_sem);
- return rc;
-}
-
-static int
-cifs_push_locks(struct cifsFileInfo *cfile)
-{
- struct cifs_sb_info *cifs_sb = CIFS_SB(cfile->dentry->d_sb);
- struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
if (cap_unix(tcon->ses) &&
(CIFS_UNIX_FCNTL_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability)) &&
((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOPOSIXBRL) == 0))
- return cifs_push_posix_locks(cfile);
+ rc = cifs_push_posix_locks(cfile);
+ else
+ rc = tcon->ses->server->ops->push_mand_locks(cfile);
- return tcon->ses->server->ops->push_mand_locks(cfile);
+ cinode->can_cache_brlcks = false;
+ up_write(&cinode->lock_sem);
+ return rc;
}
static void
diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c
index bfe22e8..7dfb50c 100644
--- a/fs/cifs/smb2file.c
+++ b/fs/cifs/smb2file.c
@@ -260,13 +260,6 @@ smb2_push_mandatory_locks(struct cifsFileInfo *cfile)
struct cifs_fid_locks *fdlocks;
xid = get_xid();
- /* we are going to update can_cache_brlcks here - need a write access */
- down_write(&cinode->lock_sem);
- if (!cinode->can_cache_brlcks) {
- up_write(&cinode->lock_sem);
- free_xid(xid);
- return rc;
- }
/*
* Accessing maxBuf is racy with cifs_reconnect - need to store value
@@ -274,7 +267,6 @@ smb2_push_mandatory_locks(struct cifsFileInfo *cfile)
*/
max_buf = tlink_tcon(cfile->tlink)->ses->server->maxBuf;
if (!max_buf) {
- up_write(&cinode->lock_sem);
free_xid(xid);
return -EINVAL;
}
@@ -282,7 +274,6 @@ smb2_push_mandatory_locks(struct cifsFileInfo *cfile)
max_num = max_buf / sizeof(struct smb2_lock_element);
buf = kzalloc(max_num * sizeof(struct smb2_lock_element), GFP_KERNEL);
if (!buf) {
- up_write(&cinode->lock_sem);
free_xid(xid);
return -ENOMEM;
}
@@ -293,10 +284,7 @@ smb2_push_mandatory_locks(struct cifsFileInfo *cfile)
rc = stored_rc;
}
- cinode->can_cache_brlcks = false;
kfree(buf);
-
- up_write(&cinode->lock_sem);
free_xid(xid);
return rc;
}
--
1.7.10.4
--
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