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[PATCH] ext3 -nobh option causes oops

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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]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Badari Pulavarty 2006-07-30 03:04:14 -07:00 • committed by Linus Torvalds
commit 0e31f51d81
1 changed files with 3 additions and 3 deletions
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6
fs/ext3/inode.c
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@ -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);