diff options
| author | Chris Mason <chris.mason@oracle.com> | 2009-12-17 15:47:17 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-13 13:20:00 -0700 |
| commit | 88a9a7cf4ca9e83187b395aabda95f17a6407ad6 (patch) | |
| tree | 9cb0918e61c6f9c8f9ceab730302e819f7c52f71 /fs | |
| parent | e4b2abc4322e89d1ce7e43c7ada5317acd80d6bc (diff) | |
Btrfs: make sure fallocate properly starts a transaction
commit 3a1abec9f6880cf406593c392636199ea1c6c917 upstream.
The recent patch to make fallocate enospc friendly would send
down a NULL trans handle to the allocator. This moves the
transaction start to properly fix things.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Acked-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/inode.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index da76cad92ec..5440bab2363 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -5802,23 +5802,23 @@ static int prealloc_file_range(struct inode *inode, u64 start, u64 end, while (num_bytes > 0) { alloc_size = min(num_bytes, root->fs_info->max_extent); + trans = btrfs_start_transaction(root, 1); + ret = btrfs_reserve_extent(trans, root, alloc_size, root->sectorsize, 0, alloc_hint, (u64)-1, &ins, 1); if (ret) { WARN_ON(1); - break; + goto stop_trans; } ret = btrfs_reserve_metadata_space(root, 3); if (ret) { btrfs_free_reserved_extent(root, ins.objectid, ins.offset); - break; + goto stop_trans; } - trans = btrfs_start_transaction(root, 1); - ret = insert_reserved_file_extent(trans, inode, cur_offset, ins.objectid, ins.offset, ins.offset, @@ -5847,6 +5847,11 @@ static int prealloc_file_range(struct inode *inode, u64 start, u64 end, btrfs_unreserve_metadata_space(root, 3); } return ret; + +stop_trans: + btrfs_end_transaction(trans, root); + return ret; + } static long btrfs_fallocate(struct inode *inode, int mode, |