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-rw-r--r--fs/zonefs/file.c111
1 files changed, 3 insertions, 108 deletions
diff --git a/fs/zonefs/file.c b/fs/zonefs/file.c
index 92c9aaae3663..789cfb74c146 100644
--- a/fs/zonefs/file.c
+++ b/fs/zonefs/file.c
@@ -341,77 +341,6 @@ static loff_t zonefs_file_llseek(struct file *file, loff_t offset, int whence)
return generic_file_llseek_size(file, offset, whence, isize, isize);
}
-struct zonefs_zone_append_bio {
- /* The target inode of the BIO */
- struct inode *inode;
-
- /* For sync writes, the target append write offset */
- u64 append_offset;
-
- /*
- * This member must come last, bio_alloc_bioset will allocate enough
- * bytes for entire zonefs_bio but relies on bio being last.
- */
- struct bio bio;
-};
-
-static inline struct zonefs_zone_append_bio *
-zonefs_zone_append_bio(struct bio *bio)
-{
- return container_of(bio, struct zonefs_zone_append_bio, bio);
-}
-
-static void zonefs_file_zone_append_dio_bio_end_io(struct bio *bio)
-{
- struct zonefs_zone_append_bio *za_bio = zonefs_zone_append_bio(bio);
- struct zonefs_zone *z = zonefs_inode_zone(za_bio->inode);
- sector_t za_sector;
-
- if (bio->bi_status != BLK_STS_OK)
- goto bio_end;
-
- /*
- * If the file zone was written underneath the file system, the zone
- * append operation can still succedd (if the zone is not full) but
- * the write append location will not be where we expect it to be.
- * Check that we wrote where we intended to, that is, at z->z_wpoffset.
- */
- za_sector = z->z_sector + (za_bio->append_offset >> SECTOR_SHIFT);
- if (bio->bi_iter.bi_sector != za_sector) {
- zonefs_warn(za_bio->inode->i_sb,
- "Invalid write sector %llu for zone at %llu\n",
- bio->bi_iter.bi_sector, z->z_sector);
- bio->bi_status = BLK_STS_IOERR;
- }
-
-bio_end:
- iomap_dio_bio_end_io(bio);
-}
-
-static void zonefs_file_zone_append_dio_submit_io(const struct iomap_iter *iter,
- struct bio *bio,
- loff_t file_offset)
-{
- struct zonefs_zone_append_bio *za_bio = zonefs_zone_append_bio(bio);
- struct inode *inode = iter->inode;
- struct zonefs_zone *z = zonefs_inode_zone(inode);
-
- /*
- * Issue a zone append BIO to process sync dio writes. The append
- * file offset is saved to check the zone append write location
- * on completion of the BIO.
- */
- za_bio->inode = inode;
- za_bio->append_offset = file_offset;
-
- bio->bi_opf &= ~REQ_OP_WRITE;
- bio->bi_opf |= REQ_OP_ZONE_APPEND;
- bio->bi_iter.bi_sector = z->z_sector;
- bio->bi_end_io = zonefs_file_zone_append_dio_bio_end_io;
-
- submit_bio(bio);
-}
-
static int zonefs_file_write_dio_end_io(struct kiocb *iocb, ssize_t size,
int error, unsigned int flags)
{
@@ -442,14 +371,6 @@ static int zonefs_file_write_dio_end_io(struct kiocb *iocb, ssize_t size,
return 0;
}
-static struct bio_set zonefs_zone_append_bio_set;
-
-static const struct iomap_dio_ops zonefs_zone_append_dio_ops = {
- .submit_io = zonefs_file_zone_append_dio_submit_io,
- .end_io = zonefs_file_write_dio_end_io,
- .bio_set = &zonefs_zone_append_bio_set,
-};
-
static const struct iomap_dio_ops zonefs_write_dio_ops = {
.end_io = zonefs_file_write_dio_end_io,
};
@@ -533,9 +454,6 @@ static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from)
struct zonefs_inode_info *zi = ZONEFS_I(inode);
struct zonefs_zone *z = zonefs_inode_zone(inode);
struct super_block *sb = inode->i_sb;
- const struct iomap_dio_ops *dio_ops;
- bool sync = is_sync_kiocb(iocb);
- bool append = false;
ssize_t ret, count;
/*
@@ -543,7 +461,8 @@ static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from)
* as this can cause write reordering (e.g. the first aio gets EAGAIN
* on the inode lock but the second goes through but is now unaligned).
*/
- if (zonefs_zone_is_seq(z) && !sync && (iocb->ki_flags & IOCB_NOWAIT))
+ if (zonefs_zone_is_seq(z) && !is_sync_kiocb(iocb) &&
+ (iocb->ki_flags & IOCB_NOWAIT))
return -EOPNOTSUPP;
if (iocb->ki_flags & IOCB_NOWAIT) {
@@ -573,18 +492,6 @@ static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from)
goto inode_unlock;
}
mutex_unlock(&zi->i_truncate_mutex);
- append = sync;
- }
-
- if (append) {
- unsigned int max = bdev_max_zone_append_sectors(sb->s_bdev);
-
- max = ALIGN_DOWN(max << SECTOR_SHIFT, sb->s_blocksize);
- iov_iter_truncate(from, max);
-
- dio_ops = &zonefs_zone_append_dio_ops;
- } else {
- dio_ops = &zonefs_write_dio_ops;
}
/*
@@ -593,7 +500,7 @@ static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from)
* the user can make sense of the error.
*/
ret = iomap_dio_rw(iocb, from, &zonefs_write_iomap_ops,
- dio_ops, 0, NULL, 0);
+ &zonefs_write_dio_ops, 0, NULL, 0);
if (ret == -ENOTBLK)
ret = -EBUSY;
@@ -938,15 +845,3 @@ const struct file_operations zonefs_file_operations = {
.splice_write = iter_file_splice_write,
.iopoll = iocb_bio_iopoll,
};
-
-int zonefs_file_bioset_init(void)
-{
- return bioset_init(&zonefs_zone_append_bio_set, BIO_POOL_SIZE,
- offsetof(struct zonefs_zone_append_bio, bio),
- BIOSET_NEED_BVECS);
-}
-
-void zonefs_file_bioset_exit(void)
-{
- bioset_exit(&zonefs_zone_append_bio_set);
-}