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authorNick Piggin <npiggin@suse.de>2010-10-20 20:49:30 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2010-10-25 21:26:15 -0400
commit7ccf19a8042e343f8159f8a5fdd6a9422aa90c78 (patch)
tree9a69aaad6eb8992cae06f44dfea8c1d94f2a7f99 /mm/backing-dev.c
parenta5491e0c7bb7387e3e6ff9994d6dc2efc78af56c (diff)
fs: inode split IO and LRU lists
The use of the same inode list structure (inode->i_list) for two different list constructs with different lifecycles and purposes makes it impossible to separate the locking of the different operations. Therefore, to enable the separation of the locking of the writeback and reclaim lists, split the inode->i_list into two separate lists dedicated to their specific tracking functions. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'mm/backing-dev.c')
-rw-r--r--mm/backing-dev.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 65d420499a61..15d5097de821 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -74,11 +74,11 @@ static int bdi_debug_stats_show(struct seq_file *m, void *v)
74 74
75 nr_wb = nr_dirty = nr_io = nr_more_io = 0; 75 nr_wb = nr_dirty = nr_io = nr_more_io = 0;
76 spin_lock(&inode_lock); 76 spin_lock(&inode_lock);
77 list_for_each_entry(inode, &wb->b_dirty, i_list) 77 list_for_each_entry(inode, &wb->b_dirty, i_wb_list)
78 nr_dirty++; 78 nr_dirty++;
79 list_for_each_entry(inode, &wb->b_io, i_list) 79 list_for_each_entry(inode, &wb->b_io, i_wb_list)
80 nr_io++; 80 nr_io++;
81 list_for_each_entry(inode, &wb->b_more_io, i_list) 81 list_for_each_entry(inode, &wb->b_more_io, i_wb_list)
82 nr_more_io++; 82 nr_more_io++;
83 spin_unlock(&inode_lock); 83 spin_unlock(&inode_lock);
84 84