* [PATCH 1/2] block: remove the error_sector argument to blkdev_issue_flush
2020-05-13 12:35 small blkdev_issue_flush cleanups Christoph Hellwig
@ 2020-05-13 12:36 ` Christoph Hellwig
2020-05-16 4:14 ` Chaitanya Kulkarni
2020-05-13 12:36 ` [PATCH 2/2] block: remove the disk and queue NULL checks in blkdev_issue_flush Christoph Hellwig
2020-05-21 14:35 ` small blkdev_issue_flush cleanups Jens Axboe
2 siblings, 1 reply; 6+ messages in thread
From: Christoph Hellwig @ 2020-05-13 12:36 UTC (permalink / raw)
To: axboe; +Cc: linux-block
The argument isn't used by any caller, and drivers don't fill out
bi_sector for flush requests either.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
block/blk-flush.c | 17 ++---------------
drivers/md/dm-integrity.c | 2 +-
drivers/md/dm-zoned-metadata.c | 6 +++---
drivers/md/raid5-ppl.c | 2 +-
drivers/nvme/target/io-cmd-bdev.c | 2 +-
fs/block_dev.c | 2 +-
fs/ext4/fsync.c | 2 +-
fs/ext4/ialloc.c | 2 +-
fs/ext4/super.c | 2 +-
fs/fat/file.c | 2 +-
fs/hfsplus/inode.c | 2 +-
fs/hfsplus/super.c | 2 +-
fs/jbd2/checkpoint.c | 2 +-
fs/jbd2/commit.c | 4 ++--
fs/jbd2/recovery.c | 2 +-
fs/libfs.c | 2 +-
fs/nilfs2/the_nilfs.h | 2 +-
fs/ocfs2/file.c | 2 +-
fs/reiserfs/file.c | 2 +-
fs/xfs/xfs_super.c | 2 +-
fs/zonefs/super.c | 2 +-
include/linux/blkdev.h | 2 +-
22 files changed, 26 insertions(+), 39 deletions(-)
diff --git a/block/blk-flush.c b/block/blk-flush.c
index c7f396e3d5e29..dc23d5177f9bb 100644
--- a/block/blk-flush.c
+++ b/block/blk-flush.c
@@ -433,15 +433,11 @@ void blk_insert_flush(struct request *rq)
* blkdev_issue_flush - queue a flush
* @bdev: blockdev to issue flush for
* @gfp_mask: memory allocation flags (for bio_alloc)
- * @error_sector: error sector
*
* Description:
- * Issue a flush for the block device in question. Caller can supply
- * room for storing the error offset in case of a flush error, if they
- * wish to.
+ * Issue a flush for the block device in question.
*/
-int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
- sector_t *error_sector)
+int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask)
{
struct request_queue *q;
struct bio *bio;
@@ -459,15 +455,6 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH;
ret = submit_bio_wait(bio);
-
- /*
- * The driver must store the error location in ->bi_sector, if
- * it supports it. For non-stacked drivers, this should be
- * copied from blk_rq_pos(rq).
- */
- if (error_sector)
- *error_sector = bio->bi_iter.bi_sector;
-
bio_put(bio);
return ret;
}
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 4094c47eca7f2..84cb04904fab7 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -2657,7 +2657,7 @@ static void bitmap_flush_work(struct work_struct *work)
dm_integrity_flush_buffers(ic);
if (ic->meta_dev)
- blkdev_issue_flush(ic->dev->bdev, GFP_NOIO, NULL);
+ blkdev_issue_flush(ic->dev->bdev, GFP_NOIO);
limit = ic->provided_data_sectors;
if (ic->sb->flags & cpu_to_le32(SB_FLAG_RECALCULATING)) {
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 369de15c4e80c..bf22453703055 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -661,7 +661,7 @@ static int dmz_write_sb(struct dmz_metadata *zmd, unsigned int set)
ret = dmz_rdwr_block(zmd, REQ_OP_WRITE, block, mblk->page);
if (ret == 0)
- ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
+ ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO);
return ret;
}
@@ -703,7 +703,7 @@ static int dmz_write_dirty_mblocks(struct dmz_metadata *zmd,
/* Flush drive cache (this will also sync data) */
if (ret == 0)
- ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
+ ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO);
return ret;
}
@@ -772,7 +772,7 @@ int dmz_flush_metadata(struct dmz_metadata *zmd)
/* If there are no dirty metadata blocks, just flush the device cache */
if (list_empty(&write_list)) {
- ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
+ ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO);
goto err;
}
diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c
index d50238d0a85db..a750f4bbb5d96 100644
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@ -1037,7 +1037,7 @@ static int ppl_recover(struct ppl_log *log, struct ppl_header *pplhdr,
}
/* flush the disk cache after recovery if necessary */
- ret = blkdev_issue_flush(rdev->bdev, GFP_KERNEL, NULL);
+ ret = blkdev_issue_flush(rdev->bdev, GFP_KERNEL);
out:
__free_page(page);
return ret;
diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c
index ea0e596be15dc..26f50c23b82e9 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -226,7 +226,7 @@ static void nvmet_bdev_execute_flush(struct nvmet_req *req)
u16 nvmet_bdev_flush(struct nvmet_req *req)
{
- if (blkdev_issue_flush(req->ns->bdev, GFP_KERNEL, NULL))
+ if (blkdev_issue_flush(req->ns->bdev, GFP_KERNEL))
return NVME_SC_INTERNAL | NVME_SC_DNR;
return 0;
}
diff --git a/fs/block_dev.c b/fs/block_dev.c
index ebd1507789d29..d1e08bba925a4 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -672,7 +672,7 @@ int blkdev_fsync(struct file *filp, loff_t start, loff_t end, int datasync)
* i_mutex and doing so causes performance issues with concurrent
* O_SYNC writers to a block device.
*/
- error = blkdev_issue_flush(bdev, GFP_KERNEL, NULL);
+ error = blkdev_issue_flush(bdev, GFP_KERNEL);
if (error == -EOPNOTSUPP)
error = 0;
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index e10206e7f4bbe..35ff9a56db679 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -176,7 +176,7 @@ int ext4_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
ret = ext4_fsync_journal(inode, datasync, &needs_barrier);
if (needs_barrier) {
- err = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ err = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
if (!ret)
ret = err;
}
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 4b8c9a9bdf0c8..499f08d8522e2 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -1440,7 +1440,7 @@ int ext4_init_inode_table(struct super_block *sb, ext4_group_t group,
if (ret < 0)
goto err_out;
if (barrier)
- blkdev_issue_flush(sb->s_bdev, GFP_NOFS, NULL);
+ blkdev_issue_flush(sb->s_bdev, GFP_NOFS);
skip_zeroout:
ext4_lock_group(sb, group);
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index bf5fcb477f667..629a56b5c859f 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5256,7 +5256,7 @@ static int ext4_sync_fs(struct super_block *sb, int wait)
needs_barrier = true;
if (needs_barrier) {
int err;
- err = blkdev_issue_flush(sb->s_bdev, GFP_KERNEL, NULL);
+ err = blkdev_issue_flush(sb->s_bdev, GFP_KERNEL);
if (!ret)
ret = err;
}
diff --git a/fs/fat/file.c b/fs/fat/file.c
index bdc4503c00a38..42134c58c87e1 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -195,7 +195,7 @@ int fat_file_fsync(struct file *filp, loff_t start, loff_t end, int datasync)
if (err)
return err;
- return blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ return blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
}
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 94bd83b366442..e3da9e96b8357 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -340,7 +340,7 @@ int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
}
if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
- blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
inode_unlock(inode);
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 2b9e5743105e2..129dca3f4b78f 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -239,7 +239,7 @@ static int hfsplus_sync_fs(struct super_block *sb, int wait)
mutex_unlock(&sbi->vh_mutex);
if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
- blkdev_issue_flush(sb->s_bdev, GFP_KERNEL, NULL);
+ blkdev_issue_flush(sb->s_bdev, GFP_KERNEL);
return error;
}
diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
index 96bf33986d030..263f02ad8ebf8 100644
--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -414,7 +414,7 @@ int jbd2_cleanup_journal_tail(journal_t *journal)
* jbd2_cleanup_journal_tail() doesn't get called all that often.
*/
if (journal->j_flags & JBD2_BARRIER)
- blkdev_issue_flush(journal->j_fs_dev, GFP_NOFS, NULL);
+ blkdev_issue_flush(journal->j_fs_dev, GFP_NOFS);
return __jbd2_update_log_tail(journal, first_tid, blocknr);
}
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index e855d8260433a..6d2da8ad0e6f5 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -775,7 +775,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
if (commit_transaction->t_need_data_flush &&
(journal->j_fs_dev != journal->j_dev) &&
(journal->j_flags & JBD2_BARRIER))
- blkdev_issue_flush(journal->j_fs_dev, GFP_NOFS, NULL);
+ blkdev_issue_flush(journal->j_fs_dev, GFP_NOFS);
/* Done it all: now write the commit record asynchronously. */
if (jbd2_has_feature_async_commit(journal)) {
@@ -882,7 +882,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
stats.run.rs_blocks_logged++;
if (jbd2_has_feature_async_commit(journal) &&
journal->j_flags & JBD2_BARRIER) {
- blkdev_issue_flush(journal->j_dev, GFP_NOFS, NULL);
+ blkdev_issue_flush(journal->j_dev, GFP_NOFS);
}
if (err)
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index a4967b27ffb63..2ed278f0dcede 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -286,7 +286,7 @@ int jbd2_journal_recover(journal_t *journal)
err = err2;
/* Make sure all replayed data is on permanent storage */
if (journal->j_flags & JBD2_BARRIER) {
- err2 = blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL);
+ err2 = blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL);
if (!err)
err = err2;
}
diff --git a/fs/libfs.c b/fs/libfs.c
index 3759fbacf5222..4d08edf19c782 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1113,7 +1113,7 @@ int generic_file_fsync(struct file *file, loff_t start, loff_t end,
err = __generic_file_fsync(file, start, end, datasync);
if (err)
return err;
- return blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ return blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
}
EXPORT_SYMBOL(generic_file_fsync);
diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h
index 380a543c5b19b..b55cdeb4d1699 100644
--- a/fs/nilfs2/the_nilfs.h
+++ b/fs/nilfs2/the_nilfs.h
@@ -375,7 +375,7 @@ static inline int nilfs_flush_device(struct the_nilfs *nilfs)
*/
smp_wmb();
- err = blkdev_issue_flush(nilfs->ns_bdev, GFP_KERNEL, NULL);
+ err = blkdev_issue_flush(nilfs->ns_bdev, GFP_KERNEL);
if (err != -EIO)
err = 0;
return err;
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 6cd5e4924e4d2..85979e2214b39 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -194,7 +194,7 @@ static int ocfs2_sync_file(struct file *file, loff_t start, loff_t end,
needs_barrier = true;
err = jbd2_complete_transaction(journal, commit_tid);
if (needs_barrier) {
- ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
if (!err)
err = ret;
}
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 84cf8bdbec9cb..0b641ae694f12 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -159,7 +159,7 @@ static int reiserfs_sync_file(struct file *filp, loff_t start, loff_t end,
barrier_done = reiserfs_commit_for_inode(inode);
reiserfs_write_unlock(inode->i_sb);
if (barrier_done != 1 && reiserfs_barrier_flush(inode->i_sb))
- blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
inode_unlock(inode);
if (barrier_done < 0)
return barrier_done;
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 424bb9a2d5325..a123cd8267d98 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -305,7 +305,7 @@ void
xfs_blkdev_issue_flush(
xfs_buftarg_t *buftarg)
{
- blkdev_issue_flush(buftarg->bt_bdev, GFP_NOFS, NULL);
+ blkdev_issue_flush(buftarg->bt_bdev, GFP_NOFS);
}
STATIC void
diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index 0bf7009f50a27..25afcf55aa41e 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -479,7 +479,7 @@ static int zonefs_file_fsync(struct file *file, loff_t start, loff_t end,
if (ZONEFS_I(inode)->i_ztype == ZONEFS_ZTYPE_CNV)
ret = file_write_and_wait_range(file, start, end);
if (!ret)
- ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
if (ret)
zonefs_io_error(inode, true);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 5360696d85ff7..72a3e9ebe7677 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1221,7 +1221,7 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk)
!list_empty(&plug->cb_list));
}
-extern int blkdev_issue_flush(struct block_device *, gfp_t, sector_t *);
+int blkdev_issue_flush(struct block_device *, gfp_t);
extern int blkdev_issue_write_same(struct block_device *bdev, sector_t sector,
sector_t nr_sects, gfp_t gfp_mask, struct page *page);
--
2.26.2
^ permalink raw reply related [flat|nested] 6+ messages in thread