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authorBadari Pulavarty <pbadari@us.ibm.com>2006-07-30 03:04:14 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-08-06 20:52:15 -0700
commitde877c1d977aa0b55952cb7325956e5bd59fc75f (patch)
tree37ae49a7aa347920b0d27010e8ba719ca52c100f /fs/ext3/inode.c
parentd267cf77ff0425cd0f3292aa312588baaf304bb5 (diff)
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> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/ext3/inode.c')
-rw-r--r--fs/ext3/inode.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 2edd7eec88fd..594912973354 100644
--- a/fs/ext3/inode.c
+++ b/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(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);
@@ -1495,7 +1495,7 @@ 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);