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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-19 13:05:38 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-19 13:05:38 -0700
commita7204d72db251784808b0c050220992d7f833a2c (patch)
tree3491452ea74b039f3278fd95bb7ad7c88b6b3631 /fs/buffer.c
parentba6857b2d49646f2d4c245ff58d95d145f380177 (diff)
parent31d141e3a666269a3b6fcccddb0351caf7454240 (diff)
downloadlinux-a7204d72db251784808b0c050220992d7f833a2c.tar.bz2
Merge 3.12-rc6 into driver-core-next
We want these fixes here too. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/buffer.c')
-rw-r--r--fs/buffer.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index 4d7433534f5c..6024877335ca 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1005,9 +1005,19 @@ grow_dev_page(struct block_device *bdev, sector_t block,
struct buffer_head *bh;
sector_t end_block;
int ret = 0; /* Will call free_more_memory() */
+ gfp_t gfp_mask;
- page = find_or_create_page(inode->i_mapping, index,
- (mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS)|__GFP_MOVABLE);
+ gfp_mask = mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS;
+ gfp_mask |= __GFP_MOVABLE;
+ /*
+ * XXX: __getblk_slow() can not really deal with failure and
+ * will endlessly loop on improvised global reclaim. Prefer
+ * looping in the allocator rather than here, at least that
+ * code knows what it's doing.
+ */
+ gfp_mask |= __GFP_NOFAIL;
+
+ page = find_or_create_page(inode->i_mapping, index, gfp_mask);
if (!page)
return ret;