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| author | Harshula Jayasuriya <harshula@redhat.com> | 2013-07-23 08:05:14 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2013-07-23 20:26:51 +0400 |
| commit | df66e75395c839c3a373bae897dbb1248f741b45 (patch) | |
| tree | ba8ef2c7cae86d62998ea03157950de1829a83ab /fs/nfsd/nfs4state.c | |
| parent | e4daf1ffbe6cc3b12aab4d604e627829e93e9914 (diff) | |
| download | linux-df66e75395c839c3a373bae897dbb1248f741b45.tar.xz | |
nfsd: nfs4_file_get_access: need to be more careful with O_RDWR
If fi_fds = {non-NULL, NULL, non-NULL} and oflag = O_WRONLY
the WARN_ON_ONCE(!(fp->fi_fds[oflag] || fp->fi_fds[O_RDWR]))
doesn't trigger when it should.
Signed-off-by: Harshula Jayasuriya <harshula@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs4state.c')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 280acef6f0dc..1cb621131b00 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -282,19 +282,14 @@ static unsigned int file_hashval(struct inode *ino) static struct hlist_head file_hashtbl[FILE_HASH_SIZE]; -static void __nfs4_file_get_access(struct nfs4_file *fp, int oflag) -{ - WARN_ON_ONCE(!(fp->fi_fds[oflag] || fp->fi_fds[O_RDWR])); - atomic_inc(&fp->fi_access[oflag]); -} - static void nfs4_file_get_access(struct nfs4_file *fp, int oflag) { + WARN_ON_ONCE(!fp->fi_fds[oflag]); if (oflag == O_RDWR) { - __nfs4_file_get_access(fp, O_RDONLY); - __nfs4_file_get_access(fp, O_WRONLY); + atomic_inc(&fp->fi_access[O_RDONLY]); + atomic_inc(&fp->fi_access[O_WRONLY]); } else - __nfs4_file_get_access(fp, oflag); + atomic_inc(&fp->fi_access[oflag]); } static void nfs4_file_put_fd(struct nfs4_file *fp, int oflag) |