diff options
| author | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:50:06 +1100 |
|---|---|---|
| committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:50:31 +1100 |
| commit | 873feea09ebc980cbd3631b767356ce1eee65ec1 (patch) | |
| tree | 59a8fce9b138086abee7cf845f62ff70a390cf81 /fs/cifs | |
| parent | ceb5bdc2d246f6d81cf61ed70f325308a11821d2 (diff) | |
| download | linux-873feea09ebc980cbd3631b767356ce1eee65ec1.tar.gz linux-873feea09ebc980cbd3631b767356ce1eee65ec1.tar.bz2 linux-873feea09ebc980cbd3631b767356ce1eee65ec1.zip | |
fs: dcache per-inode inode alias locking
dcache_inode_lock can be replaced with per-inode locking. Use existing
inode->i_lock for this. This is slightly non-trivial because we sometimes
need to find the inode from the dentry, which requires d_inode to be
stabilised (either with refcount or d_lock).
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/inode.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 2a239d878e85..a853a89857a5 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -809,14 +809,14 @@ inode_has_hashed_dentries(struct inode *inode) { struct dentry *dentry; - spin_lock(&dcache_inode_lock); + spin_lock(&inode->i_lock); list_for_each_entry(dentry, &inode->i_dentry, d_alias) { if (!d_unhashed(dentry) || IS_ROOT(dentry)) { - spin_unlock(&dcache_inode_lock); + spin_unlock(&inode->i_lock); return true; } } - spin_unlock(&dcache_inode_lock); + spin_unlock(&inode->i_lock); return false; } |