Support the fallocate() file operation.

[zfs.git] / include / sys / zfs_znode.h

diff --git a/include/sys/zfs_znode.h b/include/sys/zfs_znode.h
index b028e2e..6903ad4 100644 (file)
--- a/include/sys/zfs_znode.h
+++ b/include/sys/zfs_znode.h
@@ -105,6 +105,7 @@ extern "C" {
 #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]
 
 /*
@@ -206,6 +207,8 @@ typedef struct znode {
        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 */
        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? */
@@ -236,9 +239,8 @@ typedef struct znode {
  */
 #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))
 
@@ -280,6 +282,8 @@ typedef struct znode {
        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
@@ -304,7 +308,7 @@ typedef struct znode {
 #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 **);