Messages in this thread Patch in this message | | | Date | Sun, 26 Jul 2009 08:18:35 -0000 | From | Thomas Gleixner <> | Subject | [Patch RFC 19/37] hfs: Convert tree_lock to mutex |
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tree_lock is used as mutex so make it a mutex.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Al Viro <viro@zeniv.linux.org.uk> --- fs/hfs/bfind.c | 4 ++-- fs/hfs/btree.c | 2 +- fs/hfs/btree.h | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-)
Index: linux-2.6-tip/fs/hfs/bfind.c =================================================================== --- linux-2.6-tip.orig/fs/hfs/bfind.c +++ linux-2.6-tip/fs/hfs/bfind.c @@ -23,7 +23,7 @@ int hfs_find_init(struct hfs_btree *tree fd->search_key = ptr; fd->key = ptr + tree->max_key_len + 2; dprint(DBG_BNODE_REFS, "find_init: %d (%p)\n", tree->cnid, __builtin_return_address(0)); - down(&tree->tree_lock); + mutex_lock(&tree->tree_lock); return 0; } @@ -32,7 +32,7 @@ void hfs_find_exit(struct hfs_find_data hfs_bnode_put(fd->bnode); kfree(fd->search_key); dprint(DBG_BNODE_REFS, "find_exit: %d (%p)\n", fd->tree->cnid, __builtin_return_address(0)); - up(&fd->tree->tree_lock); + mutex_unlock(&fd->tree->tree_lock); fd->tree = NULL; } Index: linux-2.6-tip/fs/hfs/btree.c =================================================================== --- linux-2.6-tip.orig/fs/hfs/btree.c +++ linux-2.6-tip/fs/hfs/btree.c @@ -26,7 +26,7 @@ struct hfs_btree *hfs_btree_open(struct if (!tree) return NULL; - init_MUTEX(&tree->tree_lock); + mutex_init(&tree->tree_lock); spin_lock_init(&tree->hash_lock); /* Set the correct compare function */ tree->sb = sb; Index: linux-2.6-tip/fs/hfs/btree.h =================================================================== --- linux-2.6-tip.orig/fs/hfs/btree.h +++ linux-2.6-tip/fs/hfs/btree.h @@ -33,7 +33,7 @@ struct hfs_btree { unsigned int depth; //unsigned int map1_size, map_size; - struct semaphore tree_lock; + struct mutex tree_lock; unsigned int pages_per_bnode; spinlock_t hash_lock;
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