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| author | Badari Pulavarty <pbadari@us.ibm.com> | 2006-07-30 03:04:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-31 13:28:44 -0700 |
| commit | 0e31f51d8177320d61ec5786ca4aafa7b7a749b4 (patch) | |
| tree | a076261c90d757d7d2740c1ba4d219782914ea4d /fs/ext3/inode.c | |
| parent | 51d8c5edd3b166fcc51aba84d78761d578400a7c (diff) | |
| download | lwn-0e31f51d8177320d61ec5786ca4aafa7b7a749b4.tar.gz lwn-0e31f51d8177320d61ec5786ca4aafa7b7a749b4.zip | |
[PATCH] ext3 -nobh option causes oops
For files other than IFREG, nobh option doesn't make sense. Modifications
to them are journalled and needs buffer heads to do that. Without this
patch, we get kernel oops in page_buffers().
Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/ext3/inode.c')
| -rw-r--r-- | fs/ext3/inode.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index ab034d3053ea..c5ee9f0691e3 100644 --- a/fs/ext3/inode.c +++ b/fs/ext3/inode.c @@ -1158,7 +1158,7 @@ retry: ret = PTR_ERR(handle); goto out; } - if (test_opt(inode->i_sb, NOBH)) + if (test_opt(inode->i_sb, NOBH) && ext3_should_writeback_data(inode)) ret = nobh_prepare_write(page, from, to, ext3_get_block); else ret = block_prepare_write(page, from, to, ext3_get_block); @@ -1244,7 +1244,7 @@ static int ext3_writeback_commit_write(struct file *file, struct page *page, if (new_i_size > EXT3_I(inode)->i_disksize) EXT3_I(inode)->i_disksize = new_i_size; - if (test_opt(inode->i_sb, NOBH)) + if (test_opt(inode->i_sb, NOBH) && ext3_should_writeback_data(inode)) ret = nobh_commit_write(file, page, from, to); else ret = generic_commit_write(file, page, from, to); @@ -1494,7 +1494,7 @@ static int ext3_writeback_writepage(struct page *page, goto out_fail; } - if (test_opt(inode->i_sb, NOBH)) + if (test_opt(inode->i_sb, NOBH) && ext3_should_writeback_data(inode)) ret = nobh_writepage(page, ext3_get_block, wbc); else ret = block_write_full_page(page, ext3_get_block, wbc); |