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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-17 23:57:20 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-17 23:57:20 +0200 |
| commit | 393d81aa026e19b6ede6f5f11955c97ee62e5df5 (patch) | |
| tree | a1d9511e488e19d41089ff0a736f6ce52a81c6e5 /fs/ocfs2/aops.c | |
| parent | 93a0886e2368eafb9df5e2021fb185195cee88b2 (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
Merge branch 'linus' into xen-64bit
Diffstat (limited to 'fs/ocfs2/aops.c')
| -rw-r--r-- | fs/ocfs2/aops.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 17964c0505a9..1db080135c6d 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -174,10 +174,17 @@ static int ocfs2_get_block(struct inode *inode, sector_t iblock, * need to use BH_New is when we're extending i_size on a file * system which doesn't support holes, in which case BH_New * allows block_prepare_write() to zero. + * + * If we see this on a sparse file system, then a truncate has + * raced us and removed the cluster. In this case, we clear + * the buffers dirty and uptodate bits and let the buffer code + * ignore it as a hole. */ - mlog_bug_on_msg(create && p_blkno == 0 && ocfs2_sparse_alloc(osb), - "ino %lu, iblock %llu\n", inode->i_ino, - (unsigned long long)iblock); + if (create && p_blkno == 0 && ocfs2_sparse_alloc(osb)) { + clear_buffer_dirty(bh_result); + clear_buffer_uptodate(bh_result); + goto bail; + } /* Treat the unwritten extent as a hole for zeroing purposes. */ if (p_blkno && !(ext_flags & OCFS2_EXT_UNWRITTEN)) |