xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

NFSv4/NLM: Push file locking BKL dependencies down into the NLM layer

Browse Source 
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2009-06-17 13:23:01 -07:00
parent 3f09df70e3
commit 5cd973c44a
2 changed files with 2 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
fs/nfs/file.c
View File

@@ -592,7 +592,6 @@ static int do_getlk(struct file *filp, int cmd, struct file_lock *fl)
struct inode *inode = filp->f_mapping->host;
int status = 0;
lock_kernel();
/* Try local locking first */
posix_test_lock(filp, fl);
if (fl->fl_type != F_UNLCK) {
@@ -608,7 +607,6 @@ static int do_getlk(struct file *filp, int cmd, struct file_lock *fl)
status = NFS_PROTO(inode)->lock(filp, cmd, fl);
out:
unlock_kernel();
return status;
out_noconflict:
fl->fl_type = F_UNLCK;
@@ -650,13 +648,11 @@ static int do_unlk(struct file *filp, int cmd, struct file_lock *fl)
* If we're signalled while cleaning up locks on process exit, we
* still need to complete the unlock.
*/
lock_kernel();
/* Use local locking if mounted with "-onolock" */
if (!(NFS_SERVER(inode)->flags & NFS_MOUNT_NONLM))
status = NFS_PROTO(inode)->lock(filp, cmd, fl);
else
status = do_vfs_lock(filp, fl);
unlock_kernel();
return status;
}
@@ -673,13 +669,11 @@ static int do_setlk(struct file *filp, int cmd, struct file_lock *fl)
if (status != 0)
goto out;
lock_kernel();
/* Use local locking if mounted with "-onolock" */
if (!(NFS_SERVER(inode)->flags & NFS_MOUNT_NONLM))
status = NFS_PROTO(inode)->lock(filp, cmd, fl);
else
status = do_vfs_lock(filp, fl);
unlock_kernel();
if (status < 0)
goto out;
/*