diff options
author | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 01:50:06 -0500 |
---|---|---|
committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 01:50:31 -0500 |
commit | 873feea09ebc980cbd3631b767356ce1eee65ec1 (patch) | |
tree | 59a8fce9b138086abee7cf845f62ff70a390cf81 /fs/cifs/inode.c | |
parent | ceb5bdc2d246f6d81cf61ed70f325308a11821d2 (diff) |
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/inode.c')
-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) | |||
809 | { | 809 | { |
810 | struct dentry *dentry; | 810 | struct dentry *dentry; |
811 | 811 | ||
812 | spin_lock(&dcache_inode_lock); | 812 | spin_lock(&inode->i_lock); |
813 | list_for_each_entry(dentry, &inode->i_dentry, d_alias) { | 813 | list_for_each_entry(dentry, &inode->i_dentry, d_alias) { |
814 | if (!d_unhashed(dentry) || IS_ROOT(dentry)) { | 814 | if (!d_unhashed(dentry) || IS_ROOT(dentry)) { |
815 | spin_unlock(&dcache_inode_lock); | 815 | spin_unlock(&inode->i_lock); |
816 | return true; | 816 | return true; |
817 | } | 817 | } |
818 | } | 818 | } |
819 | spin_unlock(&dcache_inode_lock); | 819 | spin_unlock(&inode->i_lock); |
820 | return false; | 820 | return false; |
821 | } | 821 | } |
822 | 822 | ||