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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2010-08-18 21:11:11 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2010-08-19 00:11:06 +0900
commit1cb0c924fa2d616e5e3b5bc62d97191aac9ff442 (patch)
tree199a9ffc425033d27620e70d8ffd44a9e44ad931
parent3b89f56783a4ef796190ef1192c25e72e0b986b6 (diff)
nilfs2: wait for discard to finish
nilfs_discard_segment() doesn't wait for completion of discard requests. This specifies BLKDEV_IFL_WAIT flag when calling blkdev_issue_discard() in order to fix the sync failure. Reported-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Christoph Hellwig <hch@lst.de>
-rw-r--r--fs/nilfs2/the_nilfs.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 6af1c0073e9e..4317f177ea7c 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -775,6 +775,7 @@ int nilfs_discard_segments(struct the_nilfs *nilfs, __u64 *segnump,
start * sects_per_block,
nblocks * sects_per_block,
GFP_NOFS,
+ BLKDEV_IFL_WAIT |
BLKDEV_IFL_BARRIER);
if (ret < 0)
return ret;
@@ -785,7 +786,8 @@ int nilfs_discard_segments(struct the_nilfs *nilfs, __u64 *segnump,
ret = blkdev_issue_discard(nilfs->ns_bdev,
start * sects_per_block,
nblocks * sects_per_block,
- GFP_NOFS, BLKDEV_IFL_BARRIER);
+ GFP_NOFS,
+ BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
return ret;
}