From 278f2236688e70f4097e62ae93537c69968be027 Mon Sep 17 00:00:00 2001 From: Nikolay Borisov Date: Mon, 18 Apr 2016 22:08:53 +0300 Subject: Kill znode->z_gen field This field is a duplicate of the inode->i_generation, so just kill it. Signed-off-by: Nikolay Borisov Signed-off-by: Chunwei Chen Signed-off-by: Tim Chase Signed-off-by: Brian Behlendorf Closes #4538 Closes #4654 --- module/zfs/zfs_znode.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'module/zfs/zfs_znode.c') diff --git a/module/zfs/zfs_znode.c b/module/zfs/zfs_znode.c index 0b3449152..d9fcd2912 100644 --- a/module/zfs/zfs_znode.c +++ b/module/zfs/zfs_znode.c @@ -539,7 +539,6 @@ zfs_inode_update_impl(znode_t *zp, boolean_t new) dmu_object_size_from_db(sa_get_db(zp->z_sa_hdl), &blksize, &i_blocks); spin_lock(&ip->i_lock); - ip->i_generation = zp->z_gen; ip->i_uid = SUID_TO_KUID(zp->z_uid); ip->i_gid = SGID_TO_KGID(zp->z_gid); set_nlink(ip, zp->z_links); @@ -589,6 +588,7 @@ zfs_znode_alloc(zfs_sb_t *zsb, dmu_buf_t *db, int blksz, struct inode *ip; uint64_t mode; uint64_t parent; + uint64_t tmp_gen; sa_bulk_attr_t bulk[8]; int count = 0; @@ -622,7 +622,7 @@ zfs_znode_alloc(zfs_sb_t *zsb, dmu_buf_t *db, int blksz, zfs_znode_sa_init(zsb, zp, db, obj_type, hdl); SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_MODE(zsb), NULL, &mode, 8); - SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GEN(zsb), NULL, &zp->z_gen, 8); + SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GEN(zsb), NULL, &tmp_gen, 8); SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_SIZE(zsb), NULL, &zp->z_size, 8); SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_LINKS(zsb), NULL, &zp->z_links, 8); SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_FLAGS(zsb), NULL, @@ -632,7 +632,9 @@ zfs_znode_alloc(zfs_sb_t *zsb, dmu_buf_t *db, int blksz, SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_UID(zsb), NULL, &zp->z_uid, 8); SA_ADD_BULK_ATTR(bulk, count, SA_ZPL_GID(zsb), NULL, &zp->z_gid, 8); - if (sa_bulk_lookup(zp->z_sa_hdl, bulk, count) != 0 || zp->z_gen == 0) { + if (sa_bulk_lookup(zp->z_sa_hdl, bulk, count) != 0 || + tmp_gen == 0) { + if (hdl == NULL) sa_handle_destroy(zp->z_sa_hdl); zp->z_sa_hdl = NULL; @@ -640,6 +642,7 @@ zfs_znode_alloc(zfs_sb_t *zsb, dmu_buf_t *db, int blksz, } zp->z_mode = mode; + ip->i_generation = (uint32_t)tmp_gen; /* * xattr znodes hold a reference on their unique parent @@ -1228,7 +1231,7 @@ zfs_rezget(znode_t *zp) zp->z_mode = mode; - if (gen != zp->z_gen) { + if (gen != ZTOI(zp)->i_generation) { zfs_znode_dmu_fini(zp); zfs_znode_hold_exit(zsb, zh); return (SET_ERROR(EIO)); -- cgit v1.2.3