Lines Matching refs:ea_inode
122 void ext4_xattr_inode_set_class(struct inode *ea_inode) in ext4_xattr_inode_set_class() argument
124 struct ext4_inode_info *ei = EXT4_I(ea_inode); in ext4_xattr_inode_set_class()
126 lockdep_set_subclass(&ea_inode->i_rwsem, 1); in ext4_xattr_inode_set_class()
319 static u64 ext4_xattr_inode_get_ref(struct inode *ea_inode) in ext4_xattr_inode_get_ref() argument
321 return ((u64)ea_inode->i_ctime.tv_sec << 32) | in ext4_xattr_inode_get_ref()
322 (u32) inode_peek_iversion_raw(ea_inode); in ext4_xattr_inode_get_ref()
325 static void ext4_xattr_inode_set_ref(struct inode *ea_inode, u64 ref_count) in ext4_xattr_inode_set_ref() argument
327 ea_inode->i_ctime.tv_sec = (u32)(ref_count >> 32); in ext4_xattr_inode_set_ref()
328 inode_set_iversion_raw(ea_inode, ref_count & 0xffffffff); in ext4_xattr_inode_set_ref()
331 static u32 ext4_xattr_inode_get_hash(struct inode *ea_inode) in ext4_xattr_inode_get_hash() argument
333 return (u32)ea_inode->i_atime.tv_sec; in ext4_xattr_inode_get_hash()
336 static void ext4_xattr_inode_set_hash(struct inode *ea_inode, u32 hash) in ext4_xattr_inode_set_hash() argument
338 ea_inode->i_atime.tv_sec = hash; in ext4_xattr_inode_set_hash()
344 static int ext4_xattr_inode_read(struct inode *ea_inode, void *buf, size_t size) in ext4_xattr_inode_read() argument
346 int blocksize = 1 << ea_inode->i_blkbits; in ext4_xattr_inode_read()
347 int bh_count = (size + blocksize - 1) >> ea_inode->i_blkbits; in ext4_xattr_inode_read()
359 ret = ext4_bread_batch(ea_inode, 0 /* block */, bh_count, in ext4_xattr_inode_read()
386 u32 ea_inode_hash, struct inode **ea_inode) in ext4_xattr_inode_iget() argument
428 *ea_inode = inode; in ext4_xattr_inode_iget()
448 ext4_xattr_inode_verify_hashes(struct inode *ea_inode, in ext4_xattr_inode_verify_hashes() argument
455 hash = ext4_xattr_inode_hash(EXT4_SB(ea_inode->i_sb), buffer, size); in ext4_xattr_inode_verify_hashes()
456 if (hash != ext4_xattr_inode_get_hash(ea_inode)) in ext4_xattr_inode_verify_hashes()
480 struct inode *ea_inode; in ext4_xattr_inode_get() local
484 le32_to_cpu(entry->e_hash), &ea_inode); in ext4_xattr_inode_get()
486 ea_inode = NULL; in ext4_xattr_inode_get()
490 if (i_size_read(ea_inode) != size) { in ext4_xattr_inode_get()
491 ext4_warning_inode(ea_inode, in ext4_xattr_inode_get()
493 i_size_read(ea_inode), size); in ext4_xattr_inode_get()
498 err = ext4_xattr_inode_read(ea_inode, buffer, size); in ext4_xattr_inode_get()
502 if (!ext4_test_inode_state(ea_inode, EXT4_STATE_LUSTRE_EA_INODE)) { in ext4_xattr_inode_get()
503 err = ext4_xattr_inode_verify_hashes(ea_inode, entry, buffer, in ext4_xattr_inode_get()
506 ext4_warning_inode(ea_inode, in ext4_xattr_inode_get()
513 ext4_xattr_inode_get_hash(ea_inode), in ext4_xattr_inode_get()
514 ea_inode->i_ino, true /* reusable */); in ext4_xattr_inode_get()
517 iput(ea_inode); in ext4_xattr_inode_get()
887 struct inode *ea_inode, in ext4_xattr_inode_free_quota() argument
890 if (ea_inode && in ext4_xattr_inode_free_quota()
891 ext4_test_inode_state(ea_inode, EXT4_STATE_LUSTRE_EA_INODE)) in ext4_xattr_inode_free_quota()
1029 static int ext4_xattr_inode_update_ref(handle_t *handle, struct inode *ea_inode, in ext4_xattr_inode_update_ref() argument
1036 inode_lock(ea_inode); in ext4_xattr_inode_update_ref()
1038 ret = ext4_reserve_inode_write(handle, ea_inode, &iloc); in ext4_xattr_inode_update_ref()
1042 ref_count = ext4_xattr_inode_get_ref(ea_inode); in ext4_xattr_inode_update_ref()
1044 ext4_xattr_inode_set_ref(ea_inode, ref_count); in ext4_xattr_inode_update_ref()
1048 ea_inode->i_ino, ref_count); in ext4_xattr_inode_update_ref()
1051 WARN_ONCE(ea_inode->i_nlink, "EA inode %lu i_nlink=%u", in ext4_xattr_inode_update_ref()
1052 ea_inode->i_ino, ea_inode->i_nlink); in ext4_xattr_inode_update_ref()
1054 set_nlink(ea_inode, 1); in ext4_xattr_inode_update_ref()
1055 ext4_orphan_del(handle, ea_inode); in ext4_xattr_inode_update_ref()
1059 ea_inode->i_ino, ref_count); in ext4_xattr_inode_update_ref()
1062 WARN_ONCE(ea_inode->i_nlink != 1, in ext4_xattr_inode_update_ref()
1064 ea_inode->i_ino, ea_inode->i_nlink); in ext4_xattr_inode_update_ref()
1066 clear_nlink(ea_inode); in ext4_xattr_inode_update_ref()
1067 ext4_orphan_add(handle, ea_inode); in ext4_xattr_inode_update_ref()
1071 ret = ext4_mark_iloc_dirty(handle, ea_inode, &iloc); in ext4_xattr_inode_update_ref()
1073 ext4_warning_inode(ea_inode, in ext4_xattr_inode_update_ref()
1076 inode_unlock(ea_inode); in ext4_xattr_inode_update_ref()
1080 static int ext4_xattr_inode_inc_ref(handle_t *handle, struct inode *ea_inode) in ext4_xattr_inode_inc_ref() argument
1082 return ext4_xattr_inode_update_ref(handle, ea_inode, 1); in ext4_xattr_inode_inc_ref()
1085 static int ext4_xattr_inode_dec_ref(handle_t *handle, struct inode *ea_inode) in ext4_xattr_inode_dec_ref() argument
1087 return ext4_xattr_inode_update_ref(handle, ea_inode, -1); in ext4_xattr_inode_dec_ref()
1093 struct inode *ea_inode; in ext4_xattr_inode_inc_ref_all() local
1106 &ea_inode); in ext4_xattr_inode_inc_ref_all()
1109 err = ext4_xattr_inode_inc_ref(handle, ea_inode); in ext4_xattr_inode_inc_ref_all()
1111 ext4_warning_inode(ea_inode, "inc ref error %d", err); in ext4_xattr_inode_inc_ref_all()
1112 iput(ea_inode); in ext4_xattr_inode_inc_ref_all()
1115 iput(ea_inode); in ext4_xattr_inode_inc_ref_all()
1130 &ea_inode); in ext4_xattr_inode_inc_ref_all()
1137 err = ext4_xattr_inode_dec_ref(handle, ea_inode); in ext4_xattr_inode_inc_ref_all()
1139 ext4_warning_inode(ea_inode, "cleanup dec ref error %d", in ext4_xattr_inode_inc_ref_all()
1141 iput(ea_inode); in ext4_xattr_inode_inc_ref_all()
1153 struct inode *ea_inode; in ext4_xattr_inode_dec_ref_all() local
1170 &ea_inode); in ext4_xattr_inode_dec_ref_all()
1174 err = ext4_expand_inode_array(ea_inode_array, ea_inode); in ext4_xattr_inode_dec_ref_all()
1176 ext4_warning_inode(ea_inode, in ext4_xattr_inode_dec_ref_all()
1178 iput(ea_inode); in ext4_xattr_inode_dec_ref_all()
1185 ext4_warning_inode(ea_inode, "Ensure credits err=%d", in ext4_xattr_inode_dec_ref_all()
1190 err = ext4_xattr_inode_dec_ref(handle, ea_inode); in ext4_xattr_inode_dec_ref_all()
1192 ext4_warning_inode(ea_inode, "ea_inode dec ref err=%d", in ext4_xattr_inode_dec_ref_all()
1198 ext4_xattr_inode_free_quota(parent, ea_inode, in ext4_xattr_inode_dec_ref_all()
1346 static int ext4_xattr_inode_write(handle_t *handle, struct inode *ea_inode, in ext4_xattr_inode_write() argument
1351 int blocksize = ea_inode->i_sb->s_blocksize; in ext4_xattr_inode_write()
1352 int max_blocks = (bufsize + blocksize - 1) >> ea_inode->i_blkbits; in ext4_xattr_inode_write()
1363 ret = ext4_map_blocks(handle, ea_inode, &map, in ext4_xattr_inode_write()
1366 ext4_mark_inode_dirty(handle, ea_inode); in ext4_xattr_inode_write()
1368 ext4_should_retry_alloc(ea_inode->i_sb, &retries)) { in ext4_xattr_inode_write()
1385 bh = ext4_getblk(handle, ea_inode, block, 0); in ext4_xattr_inode_write()
1390 EXT4_ERROR_INODE(ea_inode, in ext4_xattr_inode_write()
1400 ext4_handle_dirty_metadata(handle, ea_inode, bh); in ext4_xattr_inode_write()
1407 inode_lock(ea_inode); in ext4_xattr_inode_write()
1408 i_size_write(ea_inode, wsize); in ext4_xattr_inode_write()
1409 ext4_update_i_disksize(ea_inode, wsize); in ext4_xattr_inode_write()
1410 inode_unlock(ea_inode); in ext4_xattr_inode_write()
1412 ext4_mark_inode_dirty(handle, ea_inode); in ext4_xattr_inode_write()
1426 struct inode *ea_inode = NULL; in ext4_xattr_inode_create() local
1441 ea_inode = ext4_new_inode(handle, inode->i_sb->s_root->d_inode, in ext4_xattr_inode_create()
1444 if (!IS_ERR(ea_inode)) { in ext4_xattr_inode_create()
1445 ea_inode->i_op = &ext4_file_inode_operations; in ext4_xattr_inode_create()
1446 ea_inode->i_fop = &ext4_file_operations; in ext4_xattr_inode_create()
1447 ext4_set_aops(ea_inode); in ext4_xattr_inode_create()
1448 ext4_xattr_inode_set_class(ea_inode); in ext4_xattr_inode_create()
1449 unlock_new_inode(ea_inode); in ext4_xattr_inode_create()
1450 ext4_xattr_inode_set_ref(ea_inode, 1); in ext4_xattr_inode_create()
1451 ext4_xattr_inode_set_hash(ea_inode, hash); in ext4_xattr_inode_create()
1452 err = ext4_mark_inode_dirty(handle, ea_inode); in ext4_xattr_inode_create()
1454 err = ext4_inode_attach_jinode(ea_inode); in ext4_xattr_inode_create()
1456 if (ext4_xattr_inode_dec_ref(handle, ea_inode)) in ext4_xattr_inode_create()
1457 ext4_warning_inode(ea_inode, in ext4_xattr_inode_create()
1459 iput(ea_inode); in ext4_xattr_inode_create()
1467 dquot_free_inode(ea_inode); in ext4_xattr_inode_create()
1468 dquot_drop(ea_inode); in ext4_xattr_inode_create()
1469 inode_lock(ea_inode); in ext4_xattr_inode_create()
1470 ea_inode->i_flags |= S_NOQUOTA; in ext4_xattr_inode_create()
1471 inode_unlock(ea_inode); in ext4_xattr_inode_create()
1474 return ea_inode; in ext4_xattr_inode_create()
1481 struct inode *ea_inode; in ext4_xattr_inode_cache_find() local
1503 ea_inode = ext4_iget(inode->i_sb, ce->e_value, in ext4_xattr_inode_cache_find()
1505 if (IS_ERR(ea_inode)) in ext4_xattr_inode_cache_find()
1507 ext4_xattr_inode_set_class(ea_inode); in ext4_xattr_inode_cache_find()
1508 if (i_size_read(ea_inode) == value_len && in ext4_xattr_inode_cache_find()
1509 !ext4_xattr_inode_read(ea_inode, ea_data, value_len) && in ext4_xattr_inode_cache_find()
1510 !ext4_xattr_inode_verify_hashes(ea_inode, NULL, ea_data, in ext4_xattr_inode_cache_find()
1516 return ea_inode; in ext4_xattr_inode_cache_find()
1518 iput(ea_inode); in ext4_xattr_inode_cache_find()
1533 struct inode *ea_inode; in ext4_xattr_inode_lookup_create() local
1538 ea_inode = ext4_xattr_inode_cache_find(inode, value, value_len, hash); in ext4_xattr_inode_lookup_create()
1539 if (ea_inode) { in ext4_xattr_inode_lookup_create()
1540 err = ext4_xattr_inode_inc_ref(handle, ea_inode); in ext4_xattr_inode_lookup_create()
1542 iput(ea_inode); in ext4_xattr_inode_lookup_create()
1546 *ret_inode = ea_inode; in ext4_xattr_inode_lookup_create()
1551 ea_inode = ext4_xattr_inode_create(handle, inode, hash); in ext4_xattr_inode_lookup_create()
1552 if (IS_ERR(ea_inode)) in ext4_xattr_inode_lookup_create()
1553 return PTR_ERR(ea_inode); in ext4_xattr_inode_lookup_create()
1555 err = ext4_xattr_inode_write(handle, ea_inode, value, value_len); in ext4_xattr_inode_lookup_create()
1557 ext4_xattr_inode_dec_ref(handle, ea_inode); in ext4_xattr_inode_lookup_create()
1558 iput(ea_inode); in ext4_xattr_inode_lookup_create()
1564 ea_inode->i_ino, true /* reusable */); in ext4_xattr_inode_lookup_create()
1566 *ret_inode = ea_inode; in ext4_xattr_inode_lookup_create()
1890 struct inode *ea_inode = NULL, *tmp_inode; in ext4_xattr_block_set() local
2015 &ea_inode); in ext4_xattr_block_set()
2017 ea_inode = NULL; in ext4_xattr_block_set()
2122 if (ea_inode) { in ext4_xattr_block_set()
2125 ea_inode); in ext4_xattr_block_set()
2127 ext4_warning_inode(ea_inode, in ext4_xattr_block_set()
2130 iput(ea_inode); in ext4_xattr_block_set()
2131 ea_inode = NULL; in ext4_xattr_block_set()
2171 if (ea_inode) { in ext4_xattr_block_set()
2174 error2 = ext4_xattr_inode_dec_ref(handle, ea_inode); in ext4_xattr_block_set()
2176 ext4_warning_inode(ea_inode, "dec ref error=%d", in ext4_xattr_block_set()
2181 ext4_xattr_inode_free_quota(inode, ea_inode, in ext4_xattr_block_set()
2182 i_size_read(ea_inode)); in ext4_xattr_block_set()
2183 iput(ea_inode); in ext4_xattr_block_set()
2882 struct inode *ea_inode; in ext4_xattr_delete_inode() local
2942 &ea_inode); in ext4_xattr_delete_inode()
2945 ext4_xattr_inode_free_quota(inode, ea_inode, in ext4_xattr_delete_inode()
2947 iput(ea_inode); in ext4_xattr_delete_inode()