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authorNick Piggin <npiggin@kernel.dk>2011-01-07 01:50:06 -0500
committerNick Piggin <npiggin@kernel.dk>2011-01-07 01:50:31 -0500
commit873feea09ebc980cbd3631b767356ce1eee65ec1 (patch)
tree59a8fce9b138086abee7cf845f62ff70a390cf81 /fs/affs/amigaffs.c
parentceb5bdc2d246f6d81cf61ed70f325308a11821d2 (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/affs/amigaffs.c')
-rw-r--r--fs/affs/amigaffs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c
index 600101a21ba2..3a4557e8325c 100644
--- a/fs/affs/amigaffs.c
+++ b/fs/affs/amigaffs.c
@@ -128,7 +128,7 @@ affs_fix_dcache(struct dentry *dentry, u32 entry_ino)
128 void *data = dentry->d_fsdata; 128 void *data = dentry->d_fsdata;
129 struct list_head *head, *next; 129 struct list_head *head, *next;
130 130
131 spin_lock(&dcache_inode_lock); 131 spin_lock(&inode->i_lock);
132 head = &inode->i_dentry; 132 head = &inode->i_dentry;
133 next = head->next; 133 next = head->next;
134 while (next != head) { 134 while (next != head) {
@@ -139,7 +139,7 @@ affs_fix_dcache(struct dentry *dentry, u32 entry_ino)
139 } 139 }
140 next = next->next; 140 next = next->next;
141 } 141 }
142 spin_unlock(&dcache_inode_lock); 142 spin_unlock(&inode->i_lock);
143} 143}
144 144
145 145