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authorIngo Molnar <mingo@kernel.org>2019-05-03 12:52:45 +0200
committerIngo Molnar <mingo@kernel.org>2019-05-03 12:52:45 +0200
commit176d2323c7743e03e3bb4298b6f25eea2f00fed0 (patch)
treec751cba895aa8870372c97c8340166de079eae8e /fs/btrfs/file-item.c
parent9b019acb72e4b5741d88e8936d6f200ed44b66b2 (diff)
parentea9866793d1e925b4d320eaea409263b2a568f38 (diff)
downloadtalos-op-linux-176d2323c7743e03e3bb4298b6f25eea2f00fed0.tar.gz
talos-op-linux-176d2323c7743e03e3bb4298b6f25eea2f00fed0.zip
Merge branch 'linus' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/btrfs/file-item.c')
-rw-r--r--fs/btrfs/file-item.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 920bf3b4b0ef..cccc75d15970 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -7,6 +7,7 @@
#include <linux/slab.h>
#include <linux/pagemap.h>
#include <linux/highmem.h>
+#include <linux/sched/mm.h>
#include "ctree.h"
#include "disk-io.h"
#include "transaction.h"
@@ -427,9 +428,13 @@ blk_status_t btrfs_csum_one_bio(struct inode *inode, struct bio *bio,
unsigned long this_sum_bytes = 0;
int i;
u64 offset;
+ unsigned nofs_flag;
+
+ nofs_flag = memalloc_nofs_save();
+ sums = kvzalloc(btrfs_ordered_sum_size(fs_info, bio->bi_iter.bi_size),
+ GFP_KERNEL);
+ memalloc_nofs_restore(nofs_flag);
- sums = kzalloc(btrfs_ordered_sum_size(fs_info, bio->bi_iter.bi_size),
- GFP_NOFS);
if (!sums)
return BLK_STS_RESOURCE;
@@ -472,8 +477,10 @@ blk_status_t btrfs_csum_one_bio(struct inode *inode, struct bio *bio,
bytes_left = bio->bi_iter.bi_size - total_bytes;
- sums = kzalloc(btrfs_ordered_sum_size(fs_info, bytes_left),
- GFP_NOFS);
+ nofs_flag = memalloc_nofs_save();
+ sums = kvzalloc(btrfs_ordered_sum_size(fs_info,
+ bytes_left), GFP_KERNEL);
+ memalloc_nofs_restore(nofs_flag);
BUG_ON(!sums); /* -ENOMEM */
sums->len = bytes_left;
ordered = btrfs_lookup_ordered_extent(inode,
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