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authorJ. Bruce Fields <bfields@citi.umich.edu>2007-02-22 18:48:53 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2007-05-06 17:38:19 -0400
commit70cc6487a4e08b8698c0e2ec935fb48d10490162 (patch)
tree3dbf00694a5fcbea48233b78697a50effdcc80c9
parentc2fa1b8a6c059dd08a802545fed3badc8df2adc1 (diff)
downloadop-kernel-dev-70cc6487a4e08b8698c0e2ec935fb48d10490162.zip
op-kernel-dev-70cc6487a4e08b8698c0e2ec935fb48d10490162.tar.gz
locks: make ->lock release private data before returning in GETLK case
The file_lock argument to ->lock is used to return the conflicting lock when found. There's no reason for the filesystem to return any private information with this conflicting lock, but nfsv4 is. Fix nfsv4 client, and modify locks.c to stop calling fl_release_private for it in this case. Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu> Cc: "Trond Myklebust" <Trond.Myklebust@netapp.com>"
-rw-r--r--fs/locks.c4
-rw-r--r--fs/nfs/nfs4proc.c1
2 files changed, 1 insertions, 4 deletions
diff --git a/fs/locks.c b/fs/locks.c
index 957775b..b07e6e6 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1665,8 +1665,6 @@ int fcntl_getlk(struct file *filp, struct flock __user *l)
if (filp->f_op && filp->f_op->lock) {
error = filp->f_op->lock(filp, F_GETLK, &file_lock);
- if (file_lock.fl_ops && file_lock.fl_ops->fl_release_private)
- file_lock.fl_ops->fl_release_private(&file_lock);
if (error < 0)
goto out;
else
@@ -1804,8 +1802,6 @@ int fcntl_getlk64(struct file *filp, struct flock64 __user *l)
if (filp->f_op && filp->f_op->lock) {
error = filp->f_op->lock(filp, F_GETLK, &file_lock);
- if (file_lock.fl_ops && file_lock.fl_ops->fl_release_private)
- file_lock.fl_ops->fl_release_private(&file_lock);
if (error < 0)
goto out;
else
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index f52cf5c..d9000ec 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3018,6 +3018,7 @@ static int _nfs4_proc_getlk(struct nfs4_state *state, int cmd, struct file_lock
case -NFS4ERR_DENIED:
status = 0;
}
+ request->fl_ops->fl_release_private(request);
out:
up_read(&clp->cl_sem);
return status;
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