https://github.com/torvalds/linux
Revision b6ebaa8100090092aa602530d7e8316816d0c98d authored by Ross Lagerwall on 26 April 2023, 16:40:05 UTC, committed by Juergen Gross on 24 May 2023, 14:35:39 UTC
The existing code silently converts read operations with the REQ_FUA bit set into write-barrier operations. This results in data loss as the backend scribbles zeroes over the data instead of returning it. While the REQ_FUA bit doesn't make sense on a read operation, at least one well-known out-of-tree kernel module does set it and since it results in data loss, let's be safe here and only look at REQ_FUA for writes. Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com> Acked-by: Juergen Gross <jgross@suse.com> Link: https://lore.kernel.org/r/20230426164005.2213139-1-ross.lagerwall@citrix.com Signed-off-by: Juergen Gross <jgross@suse.com>
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- v2.6.17
- v2.6.16-rc6
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History 
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Tip revision: b6ebaa8100090092aa602530d7e8316816d0c98d authored by Ross Lagerwall on 26 April 2023, 16:40:05 UTC
xen/blkfront: Only check REQ_FUA for writes
xen/blkfront: Only check REQ_FUA for writes
Tip revision: b6ebaa8
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| LICENSES | ||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | -rw-r--r-- | 20.0 KB |
| .cocciconfig | -rw-r--r-- | 59 bytes |
| .get_maintainer.ignore | -rw-r--r-- | 151 bytes |
| .gitattributes | -rw-r--r-- | 90 bytes |
| .gitignore | -rw-r--r-- | 2.1 KB |
| .mailmap | -rw-r--r-- | 27.2 KB |
| .rustfmt.toml | -rw-r--r-- | 369 bytes |
| COPYING | -rw-r--r-- | 496 bytes |
| CREDITS | -rw-r--r-- | 99.7 KB |
| Kbuild | -rw-r--r-- | 2.5 KB |
| Kconfig | -rw-r--r-- | 555 bytes |
| MAINTAINERS | -rw-r--r-- | 684.8 KB |
| Makefile | -rw-r--r-- | 70.0 KB |
| README | -rw-r--r-- | 727 bytes |
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