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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-06-11 15:44:22 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-07-15 18:10:56 -0400 |
| commit | 76566991f94c206d9c5881edcaf99ba72c9e9d61 (patch) | |
| tree | ed7ec44c59ae916639c1b775ac67cefa229b7e65 /fs/nfs/dir.c | |
| parent | 52e2e8d37e01edf38ccdccc983fb13ec1456d63d (diff) | |
| download | lwn-76566991f94c206d9c5881edcaf99ba72c9e9d61.tar.gz lwn-76566991f94c206d9c5881edcaf99ba72c9e9d61.zip | |
NFS: Remove BKL from the symlink code
Page cache accesses are serialised using page locks, whereas attribute
updates are serialised using inode->i_lock.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/dir.c')
| -rw-r--r-- | fs/nfs/dir.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 1bdc36bf1782..e5f950291928 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1482,13 +1482,9 @@ static int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *sym attr.ia_mode = S_IFLNK | S_IRWXUGO; attr.ia_valid = ATTR_MODE; - lock_kernel(); - page = alloc_page(GFP_HIGHUSER); - if (!page) { - unlock_kernel(); + if (!page) return -ENOMEM; - } kaddr = kmap_atomic(page, KM_USER0); memcpy(kaddr, symname, pathlen); @@ -1503,7 +1499,6 @@ static int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *sym dentry->d_name.name, symname, error); d_drop(dentry); __free_page(page); - unlock_kernel(); return error; } @@ -1521,7 +1516,6 @@ static int nfs_symlink(struct inode *dir, struct dentry *dentry, const char *sym } else __free_page(page); - unlock_kernel(); return 0; } |