https://github.com/torvalds/linux
Revision 363e59baa4f76d3f97c0133ff7014cba3d90a7c3 authored by Darrick J. Wong on 14 December 2017, 23:42:59 UTC, committed by Darrick J. Wong on 21 December 2017, 16:47:28 UTC
Currently, xfs_itruncate_extents clears the cowblocks tag if i_cnextents is zero. This is wrong, since i_cnextents only tracks real extents in the CoW fork, which means that we could have some delayed CoW reservations still in there that will now never get cleaned. Fix a further bug where we /don't/ clear the reflink iflag if there are any attribute blocks -- really, it's only safe to clear the reflink flag if there are no data fork extents and no cow fork extents. Found by adding clonerange to fsstress in xfs/017. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
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History 
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Tip revision: 363e59baa4f76d3f97c0133ff7014cba3d90a7c3 authored by Darrick J. Wong on 14 December 2017, 23:42:59 UTC
xfs: don't be so eager to clear the cowblocks tag on truncate
xfs: don't be so eager to clear the cowblocks tag on truncate
Tip revision: 363e59b
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | -rw-r--r-- | 59 bytes |
| .get_maintainer.ignore | -rw-r--r-- | 31 bytes |
| .gitattributes | -rw-r--r-- | 30 bytes |
| .gitignore | -rw-r--r-- | 1.4 KB |
| .mailmap | -rw-r--r-- | 8.8 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 96.2 KB |
| Kbuild | -rw-r--r-- | 2.2 KB |
| Kconfig | -rw-r--r-- | 287 bytes |
| MAINTAINERS | -rw-r--r-- | 425.9 KB |
| Makefile | -rw-r--r-- | 58.3 KB |
| README | -rw-r--r-- | 722 bytes |
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