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| author | Trond Myklebust <trondmy@gmail.com> | 2020-01-06 13:40:37 -0500 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2020-01-22 16:25:41 -0500 |
| commit | 19e0663ff9bce2efb87be8b30f9e46b7843600f3 (patch) | |
| tree | e4efdf22bb6379391f5182a080db731fa855362d /fs/nfsd/vfs.h | |
| parent | 524ff1af226ce0f6348d48b413849b2bd16c5b60 (diff) | |
| download | linux-19e0663ff9bce2efb87be8b30f9e46b7843600f3.tar.gz | |
nfsd: Ensure sampling of the write verifier is atomic with the write
When doing an unstable write, we need to ensure that we sample the
write verifier before releasing the lock, and allowing a commit to
the same file to proceed.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/vfs.h')
| -rw-r--r-- | fs/nfsd/vfs.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h index d23d9daacc3d..3eb660ad80d1 100644 --- a/fs/nfsd/vfs.h +++ b/fs/nfsd/vfs.h @@ -94,11 +94,12 @@ __be32 nfsd_read(struct svc_rqst *, struct svc_fh *, loff_t, struct kvec *, int, unsigned long *, u32 *eof); __be32 nfsd_write(struct svc_rqst *, struct svc_fh *, loff_t, - struct kvec *, int, unsigned long *, int); + struct kvec *, int, unsigned long *, + int stable, __be32 *verf); __be32 nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf, loff_t offset, struct kvec *vec, int vlen, unsigned long *cnt, - int stable); + int stable, __be32 *verf); __be32 nfsd_readlink(struct svc_rqst *, struct svc_fh *, char *, int *); __be32 nfsd_symlink(struct svc_rqst *, struct svc_fh *, |