-stable review patch. If anyone has any objections, please let us know.
------------------
From: Badari Pulavarty <[email protected]>
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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/ext3/inode.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- linux-2.6.17.7.orig/fs/ext3/inode.c
+++ linux-2.6.17.7/fs/ext3/inode.c
@@ -1159,7 +1159,7 @@ 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);
@@ -1245,7 +1245,7 @@ static int ext3_writeback_commit_write(s
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);
@@ -1495,7 +1495,7 @@ static int ext3_writeback_writepage(stru
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);
--
-
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