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authorBadari Pulavarty <pbadari@us.ibm.com>2006-11-17 17:47:22 +0100
committerAdrian Bunk <bunk@stusta.de>2006-11-17 17:47:22 +0100
commit770af3b42ad36c622586eee13db3799837567102 (patch)
tree99c21c1e92fc8ccd0fae10bad236b92c82394f39 /fs
parent39a2b41be778a3d075bd52925c1967744ad5093f (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: Adrian Bunk <bunk@stusta.de>
Diffstat (limited to 'fs')
-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 cbad292b4c3..4fafef3c511 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1005,7 +1005,7 @@ 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);
@@ -1093,7 +1093,7 @@ 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);
@@ -1343,7 +1343,7 @@ 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);