Btrfs: deal with NULL srv_rsv in the delalloc inode reservation code
authorChris Mason <chris.mason@oracle.com>
Thu, 15 Dec 2011 18:36:29 +0000 (13:36 -0500)
committerChris Mason <chris.mason@oracle.com>
Thu, 15 Dec 2011 18:36:29 +0000 (13:36 -0500)
btrfs_update_inode is sometimes called with a null reservation.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

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