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The contract between try_read() and try_write() is that when called each processes as much data as possible. When instructed by osd_client to skip a message, try_read() is violating this contract by returning after receiving and discarding a single message instead of checking for more. try_write() then gets a chance to write out more requests, generating more replies/skips for try_read() to handle, forcing the messenger into a starvation loop. Cc: stable@vger.kernel.org # 3.10+ Reported-by: Varada Kari <Varada.Kari@sandisk.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Tested-by: Varada Kari <Varada.Kari@sandisk.com> Reviewed-by: Alex Elder <elder@linaro.org> |
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| .. | ||
| crush | ||
| armor.c | ||
| auth_none.c | ||
| auth_none.h | ||
| auth_x_protocol.h | ||
| auth_x.c | ||
| auth_x.h | ||
| auth.c | ||
| buffer.c | ||
| ceph_common.c | ||
| ceph_fs.c | ||
| ceph_hash.c | ||
| ceph_strings.c | ||
| crypto.c | ||
| crypto.h | ||
| debugfs.c | ||
| Kconfig | ||
| Makefile | ||
| messenger.c | ||
| mon_client.c | ||
| msgpool.c | ||
| osd_client.c | ||
| osdmap.c | ||
| pagelist.c | ||
| pagevec.c | ||
| snapshot.c | ||