*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
*/
#ifndef _SYS_FS_ZFS_ZNODE_H
#define ZFS_APPENDONLY 0x0000004000000000ull
#define ZFS_NODUMP 0x0000008000000000ull
#define ZFS_OPAQUE 0x0000010000000000ull
-#define ZFS_AV_QUARANTINED 0x0000020000000000ull
-#define ZFS_AV_MODIFIED 0x0000040000000000ull
+#define ZFS_AV_QUARANTINED 0x0000020000000000ull
+#define ZFS_AV_MODIFIED 0x0000040000000000ull
#define ZFS_REPARSE 0x0000080000000000ull
#define ZFS_OFFLINE 0x0000100000000000ull
#define ZFS_SPARSE 0x0000200000000000ull
pflags |= attr; \
else \
pflags &= ~attr; \
- VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_FLAGS(zp->z_sb), \
+ VERIFY(0 == sa_update(zp->z_sa_hdl, SA_ZPL_FLAGS(ZTOZSB(zp)), \
&pflags, sizeof (pflags), tx)); \
}
*/
#define ZFS_XATTR 0x1 /* is an extended attribute */
#define ZFS_INHERIT_ACE 0x2 /* ace has inheritable ACEs */
-#define ZFS_ACL_TRIVIAL 0x4 /* files ACL is trivial */
-#define ZFS_ACL_OBJ_ACE 0x8 /* ACL has CMPLX Object ACE */
+#define ZFS_ACL_TRIVIAL 0x4 /* files ACL is trivial */
+#define ZFS_ACL_OBJ_ACE 0x8 /* ACL has CMPLX Object ACE */
#define ZFS_ACL_PROTECTED 0x10 /* ACL protected */
#define ZFS_ACL_DEFAULTED 0x20 /* ACL should be defaulted */
#define ZFS_ACL_AUTO_INHERIT 0x40 /* ACL should be inherited */
#define SA_ZPL_FLAGS(z) z->z_attr_table[ZPL_FLAGS]
#define SA_ZPL_SIZE(z) z->z_attr_table[ZPL_SIZE]
#define SA_ZPL_ZNODE_ACL(z) z->z_attr_table[ZPL_ZNODE_ACL]
+#define SA_ZPL_DXATTR(z) z->z_attr_table[ZPL_DXATTR]
#define SA_ZPL_PAD(z) z->z_attr_table[ZPL_PAD]
/*
#define ZFS_MAX_BLOCKSIZE (SPA_MAXBLOCKSIZE)
-/* Path component length */
/*
+ * Path component length
+ *
* The generic fs code uses MAXNAMELEN to represent
* what the largest component length is. Unfortunately,
* this length includes the terminating NULL. ZFS needs
uint32_t z_sync_cnt; /* synchronous open count */
kmutex_t z_acl_lock; /* acl data lock */
zfs_acl_t *z_acl_cached; /* cached acl */
+ krwlock_t z_xattr_lock; /* xattr data lock */
+ nvlist_t *z_xattr_cached; /* cached xattrs */
+ struct znode *z_xattr_parent; /* xattr parent znode */
list_node_t z_link_node; /* all znodes in fs link */
sa_handle_t *z_sa_hdl; /* handle to sa data */
boolean_t z_is_sa; /* are we native sa? */
boolean_t z_is_zvol; /* are we used by the zvol */
boolean_t z_is_mapped; /* are we mmap'ed */
+ boolean_t z_is_ctldir; /* are we .zfs entry */
+ boolean_t z_is_stale; /* are we stale due to rollback? */
struct inode z_inode; /* generic vfs inode */
} znode_t;
*/
#define ZTOI(znode) (&((znode)->z_inode))
#define ITOZ(inode) (container_of((inode), znode_t, z_inode))
-#define VTOZSB(vfs) ((zfs_sb_t *)((vfs)->mnt_sb->s_fs_info))
-#define ZTOZSB(znode) ((zfs_sb_t *)(ZTOI(znode)->i_sb->s_fs_info))
-#define ITOZSB(inode) ((zfs_sb_t *)((inode)->i_sb->s_fs_info))
+#define ZTOZSB(znode) ((zfs_sb_t *)(ZTOI(znode)->i_sb->s_fs_info))
+#define ITOZSB(inode) ((zfs_sb_t *)((inode)->i_sb->s_fs_info))
#define S_ISDEV(mode) (S_ISCHR(mode) || S_ISBLK(mode) || S_ISFIFO(mode))
-/*
- * ZFS_ENTER() is called on entry to each ZFS inode and vfs operation.
- * ZFS_EXIT() must be called before exitting the vop.
- * ZFS_VERIFY_ZP() verifies the znode is valid.
- */
+/* Called on entry to each ZFS vnode and vfs operation */
#define ZFS_ENTER(zsb) \
{ \
- rrw_enter(&(zsb)->z_teardown_lock, RW_READER, FTAG); \
+ rrw_enter_read(&(zsb)->z_teardown_lock, FTAG); \
if ((zsb)->z_unmounted) { \
ZFS_EXIT(zsb); \
return (EIO); \
} \
}
+/* Must be called before exiting the vop */
#define ZFS_EXIT(zsb) \
{ \
rrw_exit(&(zsb)->z_teardown_lock, FTAG); \
tsd_exit(); \
}
+/* Verifies the znode is valid */
#define ZFS_VERIFY_ZP(zp) \
if ((zp)->z_sa_hdl == NULL) { \
ZFS_EXIT(ZTOZSB(zp)); \
mutex_tryenter(ZFS_OBJ_MUTEX((zsb), (obj_num)))
#define ZFS_OBJ_HOLD_EXIT(zsb, obj_num) \
mutex_exit(ZFS_OBJ_MUTEX((zsb), (obj_num)))
+#define ZFS_OBJ_HOLD_OWNED(zsb, obj_num) \
+ mutex_owned(ZFS_OBJ_MUTEX((zsb), (obj_num)))
-/*
- * Macros to encode/decode ZFS stored time values from/to struct timespec
- */
+/* Encode ZFS stored time values from a struct timespec */
#define ZFS_TIME_ENCODE(tp, stmp) \
{ \
(stmp)[0] = (uint64_t)(tp)->tv_sec; \
(stmp)[1] = (uint64_t)(tp)->tv_nsec; \
}
+/* Decode ZFS stored time values to a struct timespec */
#define ZFS_TIME_DECODE(tp, stmp) \
{ \
(tp)->tv_sec = (time_t)(stmp)[0]; \
#define CONTENT_MODIFIED (ATTR_MTIME | ATTR_CTIME)
#define ZFS_ACCESSTIME_STAMP(zsb, zp) \
- if ((zsb)->z_atime && !((zsb)->z_vfs->mnt_flags & MNT_READONLY)) \
+ if ((zsb)->z_atime && !(zfs_is_readonly(zsb))) \
zfs_tstamp_update_setup(zp, ACCESSED, NULL, NULL, B_FALSE);
extern int zfs_init_fs(zfs_sb_t *, znode_t **);
extern void zfs_znode_delete(znode_t *, dmu_tx_t *);
extern void zfs_remove_op_tables(void);
extern int zfs_create_op_tables(void);
-extern int zfs_sync(zfs_sb_t *, short, cred_t *);
+extern int zfs_sync(struct super_block *, int, cred_t *);
extern dev_t zfs_cmpldev(uint64_t);
extern int zfs_get_zplprop(objset_t *os, zfs_prop_t prop, uint64_t *value);
extern int zfs_get_stats(objset_t *os, nvlist_t *nv);
extern void zfs_log_rename(zilog_t *zilog, dmu_tx_t *tx, uint64_t txtype,
znode_t *sdzp, char *sname, znode_t *tdzp, char *dname, znode_t *szp);
extern void zfs_log_write(zilog_t *zilog, dmu_tx_t *tx, int txtype,
- znode_t *zp, offset_t off, ssize_t len, int ioflag);
+ znode_t *zp, offset_t off, ssize_t len, int ioflag,
+ zil_callback_t callback, void *callback_data);
extern void zfs_log_truncate(zilog_t *zilog, dmu_tx_t *tx, int txtype,
znode_t *zp, uint64_t off, uint64_t len);
extern void zfs_log_setattr(zilog_t *zilog, dmu_tx_t *tx, int txtype,
- znode_t *zp, struct iattr *attr, uint_t mask_applied,
- zfs_fuid_info_t *fuidp);
+ znode_t *zp, vattr_t *vap, uint_t mask_applied, zfs_fuid_info_t *fuidp);
extern void zfs_log_acl(zilog_t *zilog, dmu_tx_t *tx, znode_t *zp,
vsecattr_t *vsecp, zfs_fuid_info_t *fuidp);
extern void zfs_xvattr_set(znode_t *zp, xvattr_t *xvap, dmu_tx_t *tx);
#endif /* HAVE_UIO_RW */
extern zil_get_data_t zfs_get_data;
-extern zil_replay_func_t *zfs_replay_vector[TX_MAX_TYPE];
+extern zil_replay_func_t zfs_replay_vector[TX_MAX_TYPE];
extern int zfsfstype;
#endif /* _KERNEL */