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| author | J. Bruce Fields <bfields@redhat.com> | 2011-10-13 11:37:11 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2011-10-17 17:50:08 -0400 |
| commit | 856121b2e83bd64bffdc8de449d24c9295e92ff3 (patch) | |
| tree | d60a777368fa48120a878407dd7abdcc780d2eba /fs/nfsd/nfs4proc.c | |
| parent | 4cdc951b8611de4ce25e35c9fb8c0656150c9245 (diff) | |
| download | linux-3.10-856121b2e83bd64bffdc8de449d24c9295e92ff3.tar.gz linux-3.10-856121b2e83bd64bffdc8de449d24c9295e92ff3.tar.bz2 linux-3.10-856121b2e83bd64bffdc8de449d24c9295e92ff3.zip | |
nfsd4: warn on open failure after create
If we create the object and then return failure to the client, we're
left with an unexpected file in the filesystem.
I'm trying to eliminate such cases but not 100% sure I have so an
assertion might be helpful for now.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs4proc.c')
| -rw-r--r-- | fs/nfsd/nfs4proc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 10b50d78bdc..710b97b7a2f 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -194,7 +194,6 @@ do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_o { struct svc_fh resfh; __be32 status; - int created = 0; fh_init(&resfh, NFS4_FHSIZE); open->op_truncate = 0; @@ -223,7 +222,7 @@ do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_o open->op_fname.len, &open->op_iattr, &resfh, open->op_createmode, (u32 *)open->op_verf.data, - &open->op_truncate, &created); + &open->op_truncate, &open->op_created); /* * Following rfc 3530 14.2.16, use the returned bitmask @@ -253,7 +252,7 @@ do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_o /* set reply cache */ fh_copy_shallow(&open->op_openowner->oo_owner.so_replay.rp_openfh, &resfh.fh_handle); - if (!created) + if (!open->op_created) status = do_open_permission(rqstp, current_fh, open, NFSD_MAY_NOP); @@ -318,6 +317,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, /* We don't yet support WANT bits: */ open->op_share_access &= NFS4_SHARE_ACCESS_MASK; + open->op_created = 0; /* * RFC5661 18.51.3 * Before RECLAIM_COMPLETE done, server should deny new lock @@ -408,6 +408,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, * set, (2) sets open->op_stateid, (3) sets open->op_delegation. */ status = nfsd4_process_open2(rqstp, &cstate->current_fh, open); + WARN_ON(status && open->op_created); out: nfsd4_cleanup_open_state(open, status); if (open->op_openowner) |