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authorChristoph Lameter <clameter@sgi.com>2006-06-30 01:55:39 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-30 11:25:35 -0700
commitb1e7a8fd854d2f895730e82137400012b509650e (patch)
tree9fba87ff6b0146ebd4ee5bc7d5f0c8b037dbb3ad /fs/fs-writeback.c
parentdf849a1529c106f7460e51479ca78fe07b07dc8c (diff)
[PATCH] zoned vm counters: conversion of nr_dirty to per zone counter
This makes nr_dirty a per zone counter. Looping over all processors is avoided during writeback state determination. The counter aggregation for nr_dirty had to be undone in the NFS layer since we summed up the page counts from multiple zones. Someone more familiar with NFS should probably review what I have done. [akpm@osdl.org: bugfix] Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/fs-writeback.c')
-rw-r--r--fs/fs-writeback.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 031b27a4bc9..e5ad1075684 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -464,7 +464,7 @@ void sync_inodes_sb(struct super_block *sb, int wait)
.range_start = 0,
.range_end = LLONG_MAX,
};
- unsigned long nr_dirty = read_page_state(nr_dirty);
+ unsigned long nr_dirty = global_page_state(NR_FILE_DIRTY);
unsigned long nr_unstable = read_page_state(nr_unstable);
wbc.nr_to_write = nr_dirty + nr_unstable +