From: Zhang Yi <yi.zhang@xxxxxxxxxx> Drop all delonly descriptions in parameters and comments. Signed-off-by: Zhang Yi <yi.zhang@xxxxxxxxxx> --- fs/ext4/extents_status.c | 92 ++++++++++++++++++++-------------------- 1 file changed, 45 insertions(+), 47 deletions(-) diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c index db3fe3ada2e5..0af14b7d5005 100644 --- a/fs/ext4/extents_status.c +++ b/fs/ext4/extents_status.c @@ -142,8 +142,8 @@ */ struct rsvd_info { - int delonly_cluster; /* reserved clusters for delalloc es entry */ - int delonly_block; /* reserved blocks for delalloc es entry */ + int delayed_cluster; /* reserved clusters for delalloc es entry */ + int delayed_block; /* reserved blocks for delalloc es entry */ }; static struct kmem_cache *ext4_es_cachep; @@ -943,10 +943,10 @@ void ext4_es_insert_extent(struct inode *inode, ext4_lblk_t lblk, * so release the quota reservations made for any previously delayed * allocated clusters. */ - resv_used = rinfo.delonly_cluster + pending; + resv_used = rinfo.delayed_cluster + pending; if (resv_used) ext4_da_update_reserve_space(inode, resv_used, - rinfo.delonly_block); + rinfo.delayed_block); if (err1 || err2 || err3 < 0) goto retry; @@ -1067,8 +1067,8 @@ int ext4_es_lookup_extent(struct inode *inode, ext4_lblk_t lblk, } struct rsvd_count { - int ndelonly_cluster; - int ndelonly_block; + int ndelayed_cluster; + int ndelayed_block; bool first_do_lblk_found; ext4_lblk_t first_do_lblk; ext4_lblk_t last_do_lblk; @@ -1094,11 +1094,11 @@ static void init_rsvd(struct inode *inode, ext4_lblk_t lblk, struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); struct rb_node *node; - rc->ndelonly_cluster = 0; - rc->ndelonly_block = 0; + rc->ndelayed_cluster = 0; + rc->ndelayed_block = 0; /* - * for bigalloc, note the first delonly block in the range has not + * for bigalloc, note the first delayed block in the range has not * been found, record the extent containing the block to the left of * the region to be removed, if any, and note that there's no partial * cluster to track @@ -1118,9 +1118,8 @@ static void init_rsvd(struct inode *inode, ext4_lblk_t lblk, } /* - * count_rsvd - count the clusters containing delayed and not unwritten - * (delonly) blocks in a range within an extent and add to - * the running tally in rsvd_count + * count_rsvd - count the clusters containing delayed blocks in a range + * within an extent and add to the running tally in rsvd_count * * @inode - file containing extent * @lblk - first block in range @@ -1143,19 +1142,19 @@ static void count_rsvd(struct inode *inode, ext4_lblk_t lblk, long len, WARN_ON(len <= 0); if (sbi->s_cluster_ratio == 1) { - rc->ndelonly_cluster += (int) len; - rc->ndelonly_block = rc->ndelonly_cluster; + rc->ndelayed_cluster += (int) len; + rc->ndelayed_block = rc->ndelayed_cluster; return; } /* bigalloc */ - rc->ndelonly_block += (int)len; + rc->ndelayed_block += (int)len; i = (lblk < es->es_lblk) ? es->es_lblk : lblk; end = lblk + (ext4_lblk_t) len - 1; end = (end > ext4_es_end(es)) ? ext4_es_end(es) : end; - /* record the first block of the first delonly extent seen */ + /* record the first block of the first delayed extent seen */ if (!rc->first_do_lblk_found) { rc->first_do_lblk = i; rc->first_do_lblk_found = true; @@ -1169,7 +1168,7 @@ static void count_rsvd(struct inode *inode, ext4_lblk_t lblk, long len, * doesn't start with it, count it and stop tracking */ if (rc->partial && (rc->lclu != EXT4_B2C(sbi, i))) { - rc->ndelonly_cluster++; + rc->ndelayed_cluster++; rc->partial = false; } @@ -1179,7 +1178,7 @@ static void count_rsvd(struct inode *inode, ext4_lblk_t lblk, long len, */ if (EXT4_LBLK_COFF(sbi, i) != 0) { if (end >= EXT4_LBLK_CFILL(sbi, i)) { - rc->ndelonly_cluster++; + rc->ndelayed_cluster++; rc->partial = false; i = EXT4_LBLK_CFILL(sbi, i) + 1; } @@ -1187,11 +1186,11 @@ static void count_rsvd(struct inode *inode, ext4_lblk_t lblk, long len, /* * if the current cluster starts on a cluster boundary, count the - * number of whole delonly clusters in the extent + * number of whole delayed clusters in the extent */ if ((i + sbi->s_cluster_ratio - 1) <= end) { nclu = (end - i + 1) >> sbi->s_cluster_bits; - rc->ndelonly_cluster += nclu; + rc->ndelayed_cluster += nclu; i += nclu << sbi->s_cluster_bits; } @@ -1251,10 +1250,9 @@ static struct pending_reservation *__pr_tree_search(struct rb_root *root, * @rc - pointer to reserved count data * * The number of reservations to be released is equal to the number of - * clusters containing delayed and not unwritten (delonly) blocks within - * the range, minus the number of clusters still containing delonly blocks - * at the ends of the range, and minus the number of pending reservations - * within the range. + * clusters containing delayed blocks within the range, minus the number of + * clusters still containing delayed blocks at the ends of the range, and + * minus the number of pending reservations within the range. */ static unsigned int get_rsvd(struct inode *inode, ext4_lblk_t end, struct extent_status *right_es, @@ -1265,33 +1263,33 @@ static unsigned int get_rsvd(struct inode *inode, ext4_lblk_t end, struct ext4_pending_tree *tree = &EXT4_I(inode)->i_pending_tree; struct rb_node *node; ext4_lblk_t first_lclu, last_lclu; - bool left_delonly, right_delonly, count_pending; + bool left_delayed, right_delayed, count_pending; struct extent_status *es; if (sbi->s_cluster_ratio > 1) { /* count any remaining partial cluster */ if (rc->partial) - rc->ndelonly_cluster++; + rc->ndelayed_cluster++; - if (rc->ndelonly_cluster == 0) + if (rc->ndelayed_cluster == 0) return 0; first_lclu = EXT4_B2C(sbi, rc->first_do_lblk); last_lclu = EXT4_B2C(sbi, rc->last_do_lblk); /* - * decrease the delonly count by the number of clusters at the - * ends of the range that still contain delonly blocks - + * decrease the delayed count by the number of clusters at the + * ends of the range that still contain delayed blocks - * these clusters still need to be reserved */ - left_delonly = right_delonly = false; + left_delayed = right_delayed = false; es = rc->left_es; while (es && ext4_es_end(es) >= EXT4_LBLK_CMASK(sbi, rc->first_do_lblk)) { if (ext4_es_is_delayed(es)) { - rc->ndelonly_cluster--; - left_delonly = true; + rc->ndelayed_cluster--; + left_delayed = true; break; } node = rb_prev(&es->rb_node); @@ -1299,7 +1297,7 @@ static unsigned int get_rsvd(struct inode *inode, ext4_lblk_t end, break; es = rb_entry(node, struct extent_status, rb_node); } - if (right_es && (!left_delonly || first_lclu != last_lclu)) { + if (right_es && (!left_delayed || first_lclu != last_lclu)) { if (end < ext4_es_end(right_es)) { es = right_es; } else { @@ -1310,8 +1308,8 @@ static unsigned int get_rsvd(struct inode *inode, ext4_lblk_t end, while (es && es->es_lblk <= EXT4_LBLK_CFILL(sbi, rc->last_do_lblk)) { if (ext4_es_is_delayed(es)) { - rc->ndelonly_cluster--; - right_delonly = true; + rc->ndelayed_cluster--; + right_delayed = true; break; } node = rb_next(&es->rb_node); @@ -1325,21 +1323,21 @@ static unsigned int get_rsvd(struct inode *inode, ext4_lblk_t end, /* * Determine the block range that should be searched for * pending reservations, if any. Clusters on the ends of the - * original removed range containing delonly blocks are + * original removed range containing delayed blocks are * excluded. They've already been accounted for and it's not * possible to determine if an associated pending reservation * should be released with the information available in the * extents status tree. */ if (first_lclu == last_lclu) { - if (left_delonly | right_delonly) + if (left_delayed | right_delayed) count_pending = false; else count_pending = true; } else { - if (left_delonly) + if (left_delayed) first_lclu++; - if (right_delonly) + if (right_delayed) last_lclu--; if (first_lclu <= last_lclu) count_pending = true; @@ -1350,13 +1348,13 @@ static unsigned int get_rsvd(struct inode *inode, ext4_lblk_t end, /* * a pending reservation found between first_lclu and last_lclu * represents an allocated cluster that contained at least one - * delonly block, so the delonly total must be reduced by one + * delayed block, so the delayed total must be reduced by one * for each pending reservation found and released */ if (count_pending) { pr = __pr_tree_search(&tree->root, first_lclu); while (pr && pr->lclu <= last_lclu) { - rc->ndelonly_cluster--; + rc->ndelayed_cluster--; node = rb_next(&pr->rb_node); rb_erase(&pr->rb_node, &tree->root); __free_pending(pr); @@ -1367,7 +1365,7 @@ static unsigned int get_rsvd(struct inode *inode, ext4_lblk_t end, } } } - return rc->ndelonly_cluster; + return rc->ndelayed_cluster; } @@ -1401,8 +1399,8 @@ static int __es_remove_extent(struct inode *inode, ext4_lblk_t lblk, struct rsvd_count rc; if (rinfo) { - rinfo->delonly_cluster = 0; - rinfo->delonly_block = 0; + rinfo->delayed_cluster = 0; + rinfo->delayed_block = 0; if (test_opt(inode->i_sb, DELALLOC)) count_reserved = true; } @@ -1504,8 +1502,8 @@ static int __es_remove_extent(struct inode *inode, ext4_lblk_t lblk, out_get_reserved: if (count_reserved) { - rinfo->delonly_cluster = get_rsvd(inode, end, es, &rc); - rinfo->delonly_block = rc.ndelonly_block; + rinfo->delayed_cluster = get_rsvd(inode, end, es, &rc); + rinfo->delayed_block = rc.ndelayed_block; } out: return err; @@ -1563,7 +1561,7 @@ void ext4_es_remove_extent(struct inode *inode, ext4_lblk_t lblk, goto retry; ext4_es_print_tree(inode); - ext4_da_release_space(inode, rinfo.delonly_cluster); + ext4_da_release_space(inode, rinfo.delayed_cluster); return; } -- 2.31.1