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| author | Mingming Cao <cmm@us.ibm.com> | 2009-09-28 15:49:52 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2009-09-28 15:49:52 -0400 |
| commit | 9f0ccfd8e07d61b413e6536ffa02fbf60d2e20d8 (patch) | |
| tree | b90ea9f8dc2542d029b15d94a0588b36937dbbab /fs | |
| parent | 55138e0bc29c0751e2152df9ad35deea542f29b3 (diff) | |
| download | linux-9f0ccfd8e07d61b413e6536ffa02fbf60d2e20d8.tar.gz linux-9f0ccfd8e07d61b413e6536ffa02fbf60d2e20d8.tar.bz2 linux-9f0ccfd8e07d61b413e6536ffa02fbf60d2e20d8.zip | |
ext4: release reserved quota when block reservation for delalloc retry
ext4_da_reserve_space() can reserve quota blocks multiple times if
ext4_claim_free_blocks() fail and we retry the allocation. We should
release the quota reservation before restarting.
Bug found by Jan Kara.
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/inode.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 20e2d704dc2e..219067ce09d9 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1854,11 +1854,11 @@ repeat: if (ext4_claim_free_blocks(sbi, total)) { spin_unlock(&EXT4_I(inode)->i_block_reservation_lock); + vfs_dq_release_reservation_block(inode, total); if (ext4_should_retry_alloc(inode->i_sb, &retries)) { yield(); goto repeat; } - vfs_dq_release_reservation_block(inode, total); return -ENOSPC; } EXT4_I(inode)->i_reserved_data_blocks += nrblocks; |