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GFS2: Change truncate page allocation to be GFP_NOFS

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This patch changes the page allocation in gfs2_block_truncate_page
and two others to GFP_NOFS to avoid deadlock in low-memory conditions.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Bob Peterson 2012-03-19 15:25:50 -04:00 committed by Steven Whitehouse
parent 58a7d5fb8e
commit 220cca2a4f
2 changed files with 3 additions and 3 deletions
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4
fs/gfs2/bmap.c
View File

@ -60,7 +60,7 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
int release = 0;
if (!page || page->index) {
page = grab_cache_page(inode->i_mapping, 0);
page = find_or_create_page(inode->i_mapping, 0, GFP_NOFS);
if (!page)
return -ENOMEM;
release = 1;
@ -930,7 +930,7 @@ static int gfs2_block_truncate_page(struct address_space *mapping, loff_t from)
struct page *page;
int err;
page = grab_cache_page(mapping, index);
page = find_or_create_page(mapping, index, GFP_NOFS);
if (!page)
return 0;

2
fs/gfs2/quota.c
View File

@ -681,7 +681,7 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc,
ptr = qp;
nbytes = sizeof(struct gfs2_quota);
get_a_page:
page = grab_cache_page(mapping, index);
page = find_or_create_page(mapping, index, GFP_NOFS);
if (!page)
return -ENOMEM;