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| author | Olga Kornievskaia <kolga@netapp.com> | 2019-10-08 16:34:36 -0400 |
|---|---|---|
| committer | Olga Kornievskaia <olga.kornievskaia@gmail.com> | 2019-10-09 12:05:56 -0400 |
| commit | 0b9018b9cab9b6a30fd6758ff0745ff74efcf374 (patch) | |
| tree | 700e0b52989eb63b38619c364de60c19373202bd /fs/nfs/nfs4state.c | |
| parent | ec4b0925089826af45e99cdf78a8ac84c1d005f1 (diff) | |
| download | linux-stable-0b9018b9cab9b6a30fd6758ff0745ff74efcf374.tar.gz linux-stable-0b9018b9cab9b6a30fd6758ff0745ff74efcf374.tar.bz2 linux-stable-0b9018b9cab9b6a30fd6758ff0745ff74efcf374.zip | |
NFS: skip recovery of copy open on dest server
Mark the open created for the source file on the destination
server. Then if this open is going thru a recovery, then fail
the recovery as we don't need to be recoving a "fake" open.
We need to fail the ongoing READs and vfs_copy_file_range().
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4state.c')
| -rw-r--r-- | fs/nfs/nfs4state.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 0c6d53dc3672..c45b3007e2af 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1609,6 +1609,9 @@ static int nfs4_reclaim_open_state(struct nfs4_state_owner *sp, const struct nfs struct nfs4_state *state; unsigned int loop = 0; int status = 0; +#ifdef CONFIG_NFS_V4_2 + bool found_ssc_copy_state = false; +#endif /* CONFIG_NFS_V4_2 */ /* Note: we rely on the sp->so_states list being ordered * so that we always reclaim open(O_RDWR) and/or open(O_WRITE) @@ -1628,6 +1631,13 @@ restart: continue; if (state->state == 0) continue; +#ifdef CONFIG_NFS_V4_2 + if (test_bit(NFS_SRV_SSC_COPY_STATE, &state->flags)) { + nfs4_state_mark_recovery_failed(state, -EIO); + found_ssc_copy_state = true; + continue; + } +#endif /* CONFIG_NFS_V4_2 */ refcount_inc(&state->count); spin_unlock(&sp->so_lock); status = __nfs4_reclaim_open_state(sp, state, ops); @@ -1682,6 +1692,10 @@ restart: } raw_write_seqcount_end(&sp->so_reclaim_seqcount); spin_unlock(&sp->so_lock); +#ifdef CONFIG_NFS_V4_2 + if (found_ssc_copy_state) + return -EIO; +#endif /* CONFIG_NFS_V4_2 */ return 0; out_err: nfs4_put_open_state(state); |