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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/nfs/pagelist.c
parentdf849a1529c106f7460e51479ca78fe07b07dc8c (diff)
downloadop-kernel-dev-b1e7a8fd854d2f895730e82137400012b509650e.zip
op-kernel-dev-b1e7a8fd854d2f895730e82137400012b509650e.tar.gz
[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/nfs/pagelist.c')
-rw-r--r--fs/nfs/pagelist.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index d89f6fb..26b1fe9 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -315,6 +315,7 @@ nfs_scan_lock_dirty(struct nfs_inode *nfsi, struct list_head *dst,
req->wb_index, NFS_PAGE_TAG_DIRTY);
nfs_list_remove_request(req);
nfs_list_add_request(req, dst);
+ dec_zone_page_state(req->wb_page, NR_FILE_DIRTY);
res++;
}
}
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