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authorChristoph Hellwig <hch@infradead.org>2010-06-14 05:17:31 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2010-08-09 16:47:42 -0400
commitfa9b227e9019ebaeeb06224ba531a490f91144b3 (patch)
treeff3644c6572d2b22db0d8b71f1a79ae0ad33d102 /fs/sync.c
parent2f246fd0f126f3b3c23a4e6b7109350e83356bd6 (diff)
xfs: new truncate sequence
Convert XFS to the new truncate sequence. We still can have errors after updating the file size in xfs_setattr, but these are real I/O errors and lead to a transaction abort and filesystem shutdown, so they are not an issue. Errors from ->write_begin and write_end can now be handled correctly because we can actually get rid of the delalloc extents while previous the buffer state was stipped in block_invalidatepage. There is still no error handling for ->direct_IO, because doing so will need some major restructuring given that we only have the iolock shared and do not hold i_mutex at all. Fortunately leaving the normally allocated blocks behind there is not a major issue and this will get cleaned up by xfs_free_eofblock later. Note: the patch is against Al's vfs.git tree as that contains the nessecary preparations. I'd prefer to get it applied there so that we can get some testing in linux-next. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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