diff options
| author | Dave Wysochanski <dwysocha@redhat.com> | 2021-06-29 13:13:57 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-07-08 14:03:26 -0400 |
| commit | ba512c1bc3232124567a59a3995c773dc79716e8 (patch) | |
| tree | 375c0ed4124f0cc338b960d20bf66d4d36dcba40 /fs/binfmt_misc.c | |
| parent | e0340f16a08d031de54ed91d26f57c9a966a776a (diff) | |
NFS: Fix fscache read from NFS after cache error
Earlier commits refactored some NFS read code and removed
nfs_readpage_async(), but neglected to properly fixup
nfs_readpage_from_fscache_complete(). The code path is
only hit when something unusual occurs with the cachefiles
backing filesystem, such as an IO error or while a cookie
is being invalidated.
Mark page with PG_checked if fscache IO completes in error,
unlock the page, and let the VM decide to re-issue based on
PG_uptodate. When the VM reissues the readpage, PG_checked
allows us to skip over fscache and read from the server.
Link: https://marc.info/?l=linux-nfs&m=162498209518739
Fixes: 1e83b173b266 ("NFS: Add nfs_pageio_complete_read() and remove nfs_readpage_async()")
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/binfmt_misc.c')
0 files changed, 0 insertions, 0 deletions