nfsd: Fix stable writes

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Strictly speaking, a stable write error needs to reflect the
write + the commit of that write (and only that write). To
ensure that we don't pick up the write errors from other
writebacks, add a rw_semaphore to provide exclusion.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

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Trond Myklebust 2020-01-06 13:40:30 -05:00 • committed by J. Bruce Fields

parent 16f8f89410

commit 5011af4c69

3 changed files with 18 additions and 2 deletions

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1

fs/nfsd/filecache.c

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1

fs/nfsd/filecache.h

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18

fs/nfsd/vfs.c

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