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authorSteven Whitehouse <swhiteho@redhat.com>2011-04-18 14:18:09 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2011-04-20 09:01:37 +0100
commit4667a0ec32867865fd4deccf834594b3ea831baf (patch)
treebff74fb13700e4087972fce94e45fd69dae7939b /fs/gfs2/inode.c
parentf42ab0852946c1fb5103682c5897eb3da908e4b0 (diff)
GFS2: Make writeback more responsive to system conditions
This patch adds writeback_control to writing back the AIL list. This means that we can then take advantage of the information we get in ->write_inode() in order to set off some pre-emptive writeback. In addition, the AIL code is cleaned up a bit to make it a bit simpler to understand. There is still more which can usefully be done in this area, but this is a good start at least. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/inode.c')
-rw-r--r--fs/gfs2/inode.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 9b7b9e40073b..94c3a7db1116 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -74,14 +74,14 @@ static int iget_set(struct inode *inode, void *opaque)
return 0;
}
-struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr)
+struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr, int non_block)
{
unsigned long hash = (unsigned long)no_addr;
struct gfs2_skip_data data;
data.no_addr = no_addr;
data.skipped = 0;
- data.non_block = 0;
+ data.non_block = non_block;
return ilookup5(sb, hash, iget_test, &data);
}