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Sat, 30 Mar 2024 20:10:32 +0800 (CST) From: Zhang Yi To: linux-ext4@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org, tytso@mit.edu, adilger.kernel@dilger.ca, jack@suse.cz, yi.zhang@huawei.com, yi.zhang@huaweicloud.com, chengzhihao1@huawei.com, yukuai3@huawei.com Subject: [PATCH 3/7] ext4: make ext4_es_insert_delayed_block() insert multi-blocks Date: Sat, 30 Mar 2024 20:02:32 +0800 Message-Id: <20240330120236.3789589-4-yi.zhang@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240330120236.3789589-1-yi.zhang@huaweicloud.com> References: <20240330120236.3789589-1-yi.zhang@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: cCh0CgAn+REsAQhmkPEjIg--.10652S7 X-Coremail-Antispam: 1UD129KBjvJXoWxtFWfAw4ktw48Cw18ZF15XFb_yoWxKr4fpF Z8Cr18CrW5Xw1q93Zaqw1UXr13Xa1kGrWUGrZIvw1fZFWfJFy5KF1DtF1FvFWFvrWIy3Zx XFyjy347Ca1j9a7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUU9m14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JrWl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJw A2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS 0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2 IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0 Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCF04k20xvY0x0EwIxGrwCFx2 IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v2 6r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67 AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IY s7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr 0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUd8n5UUUUU= X-CM-SenderInfo: d1lo6xhdqjqx5xdzvxpfor3voofrz/ From: Zhang Yi Rename ext4_es_insert_delayed_block() to ext4_es_insert_delayed_extent() and pass length parameter to make it insert multi delalloc blocks once a time. For the case of bigalloc, expand the allocated parameter to lclu_allocated and end_allocated. lclu_allocated indicates the allocate state of the cluster which containing the lblk, end_allocated represents the end, and the middle clusters must be unallocated. Signed-off-by: Zhang Yi --- fs/ext4/extents_status.c | 63 ++++++++++++++++++++++++------------- fs/ext4/extents_status.h | 5 +-- fs/ext4/inode.c | 2 +- include/trace/events/ext4.h | 16 +++++----- 4 files changed, 55 insertions(+), 31 deletions(-) diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c index 4a00e2f019d9..2320b0d71001 100644 --- a/fs/ext4/extents_status.c +++ b/fs/ext4/extents_status.c @@ -2052,34 +2052,42 @@ bool ext4_is_pending(struct inode *inode, ext4_lblk_t lblk) } /* - * ext4_es_insert_delayed_block - adds a delayed block to the extents status - * tree, adding a pending reservation where - * needed + * ext4_es_insert_delayed_extent - adds some delayed blocks to the extents + * status tree, adding a pending reservation + * where needed * * @inode - file containing the newly added block - * @lblk - logical block to be added - * @allocated - indicates whether a physical cluster has been allocated for - * the logical cluster that contains the block + * @lblk - start logical block to be added + * @len - length of blocks to be added + * @lclu_allocated/end_allocated - indicates whether a physical cluster has + * been allocated for the logical cluster + * that contains the block */ -void ext4_es_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk, - bool allocated) +void ext4_es_insert_delayed_extent(struct inode *inode, ext4_lblk_t lblk, + ext4_lblk_t len, bool lclu_allocated, + bool end_allocated) { struct extent_status newes; + ext4_lblk_t end = lblk + len - 1; int err1 = 0, err2 = 0, err3 = 0; struct extent_status *es1 = NULL; struct extent_status *es2 = NULL; - struct pending_reservation *pr = NULL; + struct pending_reservation *pr1 = NULL; + struct pending_reservation *pr2 = NULL; if (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY) return; - es_debug("add [%u/1) delayed to extent status tree of inode %lu\n", - lblk, inode->i_ino); + es_debug("add [%u/%u) delayed to extent status tree of inode %lu\n", + lblk, len, inode->i_ino); + if (!len) + return; newes.es_lblk = lblk; - newes.es_len = 1; + newes.es_len = len; ext4_es_store_pblock_status(&newes, ~0, EXTENT_STATUS_DELAYED); - trace_ext4_es_insert_delayed_block(inode, &newes, allocated); + trace_ext4_es_insert_delayed_extent(inode, &newes, lclu_allocated, + end_allocated); ext4_es_insert_extent_check(inode, &newes); @@ -2088,11 +2096,15 @@ void ext4_es_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk, es1 = __es_alloc_extent(true); if ((err1 || err2) && !es2) es2 = __es_alloc_extent(true); - if ((err1 || err2 || err3) && allocated && !pr) - pr = __alloc_pending(true); + if (err1 || err2 || err3) { + if (lclu_allocated && !pr1) + pr1 = __alloc_pending(true); + if (end_allocated && !pr2) + pr2 = __alloc_pending(true); + } write_lock(&EXT4_I(inode)->i_es_lock); - err1 = __es_remove_extent(inode, lblk, lblk, NULL, es1); + err1 = __es_remove_extent(inode, lblk, end, NULL, es1); if (err1 != 0) goto error; /* Free preallocated extent if it didn't get used. */ @@ -2112,13 +2124,22 @@ void ext4_es_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk, es2 = NULL; } - if (allocated) { - err3 = __insert_pending(inode, lblk, &pr); + if (lclu_allocated) { + err3 = __insert_pending(inode, lblk, &pr1); if (err3 != 0) goto error; - if (pr) { - __free_pending(pr); - pr = NULL; + if (pr1) { + __free_pending(pr1); + pr1 = NULL; + } + } + if (end_allocated) { + err3 = __insert_pending(inode, end, &pr2); + if (err3 != 0) + goto error; + if (pr2) { + __free_pending(pr2); + pr2 = NULL; } } error: diff --git a/fs/ext4/extents_status.h b/fs/ext4/extents_status.h index d9847a4a25db..3c8e2edee5d5 100644 --- a/fs/ext4/extents_status.h +++ b/fs/ext4/extents_status.h @@ -249,8 +249,9 @@ extern void ext4_exit_pending(void); extern void ext4_init_pending_tree(struct ext4_pending_tree *tree); extern void ext4_remove_pending(struct inode *inode, ext4_lblk_t lblk); extern bool ext4_is_pending(struct inode *inode, ext4_lblk_t lblk); -extern void ext4_es_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk, - bool allocated); +extern void ext4_es_insert_delayed_extent(struct inode *inode, ext4_lblk_t lblk, + ext4_lblk_t len, bool lclu_allocated, + bool end_allocated); extern unsigned int ext4_es_delayed_clu(struct inode *inode, ext4_lblk_t lblk, ext4_lblk_t len); extern void ext4_clear_inode_es(struct inode *inode); diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 95f169801006..7918ae707716 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1673,7 +1673,7 @@ static int ext4_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk) } } - ext4_es_insert_delayed_block(inode, lblk, allocated); + ext4_es_insert_delayed_extent(inode, lblk, 1, allocated, false); return 0; } diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index a697f4b77162..6b41ac61310f 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -2478,11 +2478,11 @@ TRACE_EVENT(ext4_es_shrink, __entry->scan_time, __entry->nr_skipped, __entry->retried) ); -TRACE_EVENT(ext4_es_insert_delayed_block, +TRACE_EVENT(ext4_es_insert_delayed_extent, TP_PROTO(struct inode *inode, struct extent_status *es, - bool allocated), + bool lclu_allocated, bool end_allocated), - TP_ARGS(inode, es, allocated), + TP_ARGS(inode, es, lclu_allocated, end_allocated), TP_STRUCT__entry( __field( dev_t, dev ) @@ -2491,7 +2491,8 @@ TRACE_EVENT(ext4_es_insert_delayed_block, __field( ext4_lblk_t, len ) __field( ext4_fsblk_t, pblk ) __field( char, status ) - __field( bool, allocated ) + __field( bool, lclu_allocated ) + __field( bool, end_allocated ) ), TP_fast_assign( @@ -2501,16 +2502,17 @@ TRACE_EVENT(ext4_es_insert_delayed_block, __entry->len = es->es_len; __entry->pblk = ext4_es_show_pblock(es); __entry->status = ext4_es_status(es); - __entry->allocated = allocated; + __entry->lclu_allocated = lclu_allocated; + __entry->end_allocated = end_allocated; ), TP_printk("dev %d,%d ino %lu es [%u/%u) mapped %llu status %s " - "allocated %d", + "allocated %d %d", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long) __entry->ino, __entry->lblk, __entry->len, __entry->pblk, show_extent_status(__entry->status), - __entry->allocated) + __entry->lclu_allocated, __entry->end_allocated) ); /* fsmap traces */