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authorJan Kara <jack@suse.cz>2011-06-03 23:58:11 +0400
committerJan Kara <jack@suse.cz>2011-06-25 19:29:52 +0400
commitee3e77f18010679a889b3831c2dd931238c12d09 (patch)
tree761c06de9b82cba8a8a2e1cd2174fe7afa59efd9 /Documentation/filesystems/ext4.txt
parent9008593017069ad513cc7dc78a6c94e8dfddba31 (diff)
downloadlinux-ee3e77f18010679a889b3831c2dd931238c12d09.tar.xz
ext3: Improve truncate error handling
New truncate calling convention allows us to handle errors from ext3_block_truncate_page(). So reorganize the code so that ext3_block_truncate_page() is called before we change inode size. This also removes unnecessary block zeroing from error recovery after failed buffered writes (zeroing isn't needed because we could have never written non-zero data to disk). We have to be careful and keep zeroing in direct IO write error recovery because there we might have already overwritten end of the last file block. Signed-off-by: Jan Kara <jack@suse.cz>
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