From db66c71577d525c0cd65e66ff675747565783ba4 Mon Sep 17 00:00:00 2001 From: Younger Liu Date: Thu, 3 Apr 2014 14:47:10 -0700 Subject: ocfs2: rollback alloc_dinode counts when ocfs2_block_group_set_bits() failed After updating alloc_dinode counts in ocfs2_alloc_dinode_update_counts(), if ocfs2_alloc_dinode_update_bitmap() failed, there is a rare case that some space may be lost. So, roll back alloc_dinode counts when ocfs2_block_group_set_bits() failed. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Younger Liu Reviewed-by: Mark Fasheh Cc: Joel Becker Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/ocfs2/suballoc.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'fs/ocfs2/suballoc.h') diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 218d8036b3e7..2d2501767c0c 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -91,6 +91,10 @@ int ocfs2_alloc_dinode_update_counts(struct inode *inode, struct buffer_head *di_bh, u32 num_bits, u16 chain); +void ocfs2_rollback_alloc_dinode_counts(struct inode *inode, + struct buffer_head *di_bh, + u32 num_bits, + u16 chain); int ocfs2_block_group_set_bits(handle_t *handle, struct inode *alloc_inode, struct ocfs2_group_desc *bg, -- cgit v1.2.3