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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-06-11 13:26:23 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-07-15 18:10:53 -0400 |
| commit | bba67e0e3f4caba2b2b90b48ed798fb0461bcb86 (patch) | |
| tree | c13781f1265ccd73b4f71a33e9bb22931e954c1e /fs/nfs | |
| parent | b6a2e569e2157509951c9f3f58dfa18b44ce91b3 (diff) | |
| download | linux-bba67e0e3f4caba2b2b90b48ed798fb0461bcb86.tar.gz linux-bba67e0e3f4caba2b2b90b48ed798fb0461bcb86.tar.bz2 linux-bba67e0e3f4caba2b2b90b48ed798fb0461bcb86.zip | |
NFS: Remove BKL usage from open()
All the NFSv4 stateful operations are already protected by other locks (in
particular by the rpc_sequence locks.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/dir.c | 6 | ||||
| -rw-r--r-- | fs/nfs/file.c | 2 | ||||
| -rw-r--r-- | fs/nfs/nfs4proc.c | 2 |
3 files changed, 0 insertions, 10 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 73e0f9740dd1..c68ec447ace1 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -139,10 +139,8 @@ nfs_opendir(struct inode *inode, struct file *filp) nfs_inc_stats(inode, NFSIOS_VFSOPEN); - lock_kernel(); /* Call generic open code in order to cache credentials */ res = nfs_open(inode, filp); - unlock_kernel(); return res; } @@ -1019,9 +1017,7 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry } /* Open the file on the server */ - lock_kernel(); res = nfs4_atomic_open(dir, dentry, nd); - unlock_kernel(); if (IS_ERR(res)) { error = PTR_ERR(res); switch (error) { @@ -1083,9 +1079,7 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd) * operations that change the directory. We therefore save the * change attribute *before* we do the RPC call. */ - lock_kernel(); ret = nfs4_open_revalidate(dir, dentry, openflags, nd); - unlock_kernel(); out: dput(parent); if (!ret) diff --git a/fs/nfs/file.c b/fs/nfs/file.c index f919d9a01a27..9f1bed944b2e 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -128,9 +128,7 @@ nfs_file_open(struct inode *inode, struct file *filp) return res; nfs_inc_stats(inode, NFSIOS_VFSOPEN); - lock_kernel(); res = nfs_open(inode, filp); - unlock_kernel(); return res; } diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 4451287a81d1..c910413eaeca 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -451,9 +451,7 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata) /* Save the delegation */ memcpy(stateid.data, delegation->stateid.data, sizeof(stateid.data)); rcu_read_unlock(); - lock_kernel(); ret = nfs_may_open(state->inode, state->owner->so_cred, open_mode); - unlock_kernel(); if (ret != 0) goto out; ret = -EAGAIN; |