diff options
Diffstat (limited to 'include/sys')
| -rw-r--r-- | include/sys/zfs_znode.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/sys/zfs_znode.h b/include/sys/zfs_znode.h index b223c4b3b..7c906050b 100644 --- a/include/sys/zfs_znode.h +++ b/include/sys/zfs_znode.h @@ -218,6 +218,29 @@ typedef struct znode { ZNODE_OS_FIELDS; } znode_t; +/* Verifies the znode is valid. */ +static inline int +zfs_verify_zp(znode_t *zp) +{ + if (unlikely(zp->z_sa_hdl == NULL)) + return (SET_ERROR(EIO)); + return (0); +} + +/* zfs_enter and zfs_verify_zp together */ +static inline int +zfs_enter_verify_zp(zfsvfs_t *zfsvfs, znode_t *zp, const char *tag) +{ + int error; + if ((error = zfs_enter(zfsvfs, tag)) != 0) + return (error); + if ((error = zfs_verify_zp(zp)) != 0) { + zfs_exit(zfsvfs, tag); + return (error); + } + return (0); +} + typedef struct znode_hold { uint64_t zh_obj; /* object id */ kmutex_t zh_lock; /* lock serializing object access */ |