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authorTheodore Ts'o <tytso@mit.edu>2015-06-21 01:25:29 -0400
committerTheodore Ts'o <tytso@mit.edu>2015-06-21 01:25:29 -0400
commitc5e298ae53dc2eb69f2f7153be03454c8a33c658 (patch)
tree07bd2e74badcff3d55627b2f315b1640bbde15d8 /fs/ext4/namei.c
parent89d96a6f8e6491f24fc8f99fd6ae66820e85c6c1 (diff)
ext4: prevent ext4_quota_write() from failing due to ENOSPC
In order to prevent quota block tracking to be inaccurate when ext4_quota_write() fails with ENOSPC, we make two changes. The quota file can now use the reserved block (since the quota file is arguably file system metadata), and ext4_quota_write() now uses ext4_should_retry_alloc() to retry the block allocation after a commit has completed and released some blocks for allocation. This fixes failures of xfstests generic/270: Quota error (device vdc): write_blk: dquota write failed Quota error (device vdc): qtree_write_dquot: Error -28 occurred while creating quota Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/namei.c')
-rw-r--r--fs/ext4/namei.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 5e7676f1e82f..e230b31251f7 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -61,7 +61,7 @@ static struct buffer_head *ext4_append(handle_t *handle,
*block = inode->i_size >> inode->i_sb->s_blocksize_bits;
- bh = ext4_bread(handle, inode, *block, 1);
+ bh = ext4_bread(handle, inode, *block, EXT4_GET_BLOCKS_CREATE);
if (IS_ERR(bh))
return bh;
inode->i_size += inode->i_sb->s_blocksize;