path: root/fs/internal.h
diff options
authorDave Chinner <dchinner@redhat.com>2011-03-22 22:23:41 +1100
committerAl Viro <viro@zeniv.linux.org.uk>2011-03-24 21:17:51 -0400
commita66979abad090b2765a6c6790c9fdeab996833f2 (patch)
treee48b2d0fac8f96456286a503aeeb952620234961 /fs/internal.h
parent55fa6091d83160ca772fc37cebae45d42695a708 (diff)
fs: move i_wb_list out from under inode_lock
Protect the inode writeback list with a new global lock inode_wb_list_lock and use it to protect the list manipulations and traversals. This lock replaces the inode_lock as the inodes on the list can be validity checked while holding the inode->i_lock and hence the inode_lock is no longer needed to protect the list. Signed-off-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/internal.h')
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/internal.h b/fs/internal.h
index 7013ae0c88c..b29c46e4e32 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -127,6 +127,11 @@ extern long do_handle_open(int mountdirfd,
extern spinlock_t inode_sb_list_lock;
+ * fs-writeback.c
+ */
+extern void inode_wb_list_del(struct inode *inode);
extern int get_nr_dirty_inodes(void);
extern void evict_inodes(struct super_block *);
extern int invalidate_inodes(struct super_block *, bool);