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block: remove the error_sector argument to blkdev_issue_flush

Browse Source 
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>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2020-05-13 14:36:00 +02:00 committed by Jens Axboe
parent 172ce41db4
commit 9398554fb3
22 changed files with 27 additions and 41 deletions
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17
block/blk-flush.c
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@ -432,15 +432,11 @@ 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;
@ -458,15 +454,6 @@ 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;
}

2
drivers/md/dm-integrity.c
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@ -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)) {

6
drivers/md/dm-zoned-metadata.c
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@ -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;
}

2
drivers/md/raid5-ppl.c
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@ -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;

2
drivers/nvme/target/io-cmd-bdev.c
View File

@ -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;
}

2
fs/block_dev.c
View File

@ -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;

2
fs/ext4/fsync.c
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@ -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;
}

2
fs/ext4/ialloc.c
View File

@ -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);

2
fs/ext4/super.c
View File

@ -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;
}

2
fs/fat/file.c
View File

@ -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);
}

2
fs/hfsplus/inode.c
View File

@ -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);

2
fs/hfsplus/super.c
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@ -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;
}

2
fs/jbd2/checkpoint.c
View File

@ -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);
}

4
fs/jbd2/commit.c
View File

@ -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)

2
fs/jbd2/recovery.c
View File

@ -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;
}

2
fs/libfs.c
View File

@ -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);

2
fs/nilfs2/the_nilfs.h
View File

@ -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;

2
fs/ocfs2/file.c
View File

@ -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;
}

2
fs/reiserfs/file.c
View File

@ -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;

2
fs/xfs/xfs_super.c
View File

@ -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

2
fs/zonefs/super.c
View File

@ -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);

5
include/linux/blkdev.h
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@ -1233,7 +1233,7 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk)
extern void blk_io_schedule(void);
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);
@ -1872,8 +1872,7 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk)
return false;
}
static inline int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
sector_t *error_sector)
static inline int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask)
{
return 0;
}