diff options
author | Christoph Hellwig <hch@lst.de> | 2022-05-05 15:11:11 -0500 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2022-05-16 17:17:32 +0200 |
commit | 786f847f43a54e63161474fe85a4f1764d871a35 (patch) | |
tree | 2031367c4c363ba3698a2625a87b5393971277ed /fs | |
parent | 908c54909ae72dcbf1d7e1440f7297187d06c275 (diff) | |
download | linux-786f847f43a54e63161474fe85a4f1764d871a35.tar.bz2 |
iomap: add per-iomap_iter private data
Allow the file system to keep state for all iterations. For now only
wire it up for direct I/O as there is an immediate need for it there.
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/btrfs/inode.c | 2 | ||||
-rw-r--r-- | fs/erofs/data.c | 2 | ||||
-rw-r--r-- | fs/ext4/file.c | 4 | ||||
-rw-r--r-- | fs/f2fs/file.c | 4 | ||||
-rw-r--r-- | fs/gfs2/file.c | 4 | ||||
-rw-r--r-- | fs/iomap/direct-io.c | 8 | ||||
-rw-r--r-- | fs/xfs/xfs_file.c | 6 | ||||
-rw-r--r-- | fs/zonefs/super.c | 4 |
8 files changed, 18 insertions, 16 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index eb951ac52d22..954e91b74d21 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -8167,7 +8167,7 @@ static const struct iomap_dio_ops btrfs_dio_ops = { ssize_t btrfs_dio_rw(struct kiocb *iocb, struct iov_iter *iter, size_t done_before) { return iomap_dio_rw(iocb, iter, &btrfs_dio_iomap_ops, &btrfs_dio_ops, - IOMAP_DIO_PARTIAL, done_before); + IOMAP_DIO_PARTIAL, NULL, done_before); } static int btrfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, diff --git a/fs/erofs/data.c b/fs/erofs/data.c index 780db1e5f4b7..91c11d5bb999 100644 --- a/fs/erofs/data.c +++ b/fs/erofs/data.c @@ -385,7 +385,7 @@ static ssize_t erofs_file_read_iter(struct kiocb *iocb, struct iov_iter *to) if (!err) return iomap_dio_rw(iocb, to, &erofs_iomap_ops, - NULL, 0, 0); + NULL, 0, NULL, 0); if (err < 0) return err; } diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 6feb07e3e1eb..109d07629f81 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -76,7 +76,7 @@ static ssize_t ext4_dio_read_iter(struct kiocb *iocb, struct iov_iter *to) return generic_file_read_iter(iocb, to); } - ret = iomap_dio_rw(iocb, to, &ext4_iomap_ops, NULL, 0, 0); + ret = iomap_dio_rw(iocb, to, &ext4_iomap_ops, NULL, 0, NULL, 0); inode_unlock_shared(inode); file_accessed(iocb->ki_filp); @@ -565,7 +565,7 @@ static ssize_t ext4_dio_write_iter(struct kiocb *iocb, struct iov_iter *from) iomap_ops = &ext4_iomap_overwrite_ops; ret = iomap_dio_rw(iocb, from, iomap_ops, &ext4_dio_write_ops, (unaligned_io || extend) ? IOMAP_DIO_FORCE_WAIT : 0, - 0); + NULL, 0); if (ret == -ENOTBLK) ret = 0; diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 5b89af0f27f0..04bc8709314b 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -4309,7 +4309,7 @@ static ssize_t f2fs_dio_read_iter(struct kiocb *iocb, struct iov_iter *to) */ inc_page_count(sbi, F2FS_DIO_READ); dio = __iomap_dio_rw(iocb, to, &f2fs_iomap_ops, - &f2fs_iomap_dio_read_ops, 0, 0); + &f2fs_iomap_dio_read_ops, 0, NULL, 0); if (IS_ERR_OR_NULL(dio)) { ret = PTR_ERR_OR_ZERO(dio); if (ret != -EIOCBQUEUED) @@ -4527,7 +4527,7 @@ static ssize_t f2fs_dio_write_iter(struct kiocb *iocb, struct iov_iter *from, if (pos + count > inode->i_size) dio_flags |= IOMAP_DIO_FORCE_WAIT; dio = __iomap_dio_rw(iocb, from, &f2fs_iomap_ops, - &f2fs_iomap_dio_write_ops, dio_flags, 0); + &f2fs_iomap_dio_write_ops, dio_flags, NULL, 0); if (IS_ERR_OR_NULL(dio)) { ret = PTR_ERR_OR_ZERO(dio); if (ret == -ENOTBLK) diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index 2556ae1f92ea..0b07d5a7bb81 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -835,7 +835,7 @@ retry: pagefault_disable(); to->nofault = true; ret = iomap_dio_rw(iocb, to, &gfs2_iomap_ops, NULL, - IOMAP_DIO_PARTIAL, read); + IOMAP_DIO_PARTIAL, NULL, read); to->nofault = false; pagefault_enable(); if (ret <= 0 && ret != -EFAULT) @@ -898,7 +898,7 @@ retry: from->nofault = true; ret = iomap_dio_rw(iocb, from, &gfs2_iomap_ops, NULL, - IOMAP_DIO_PARTIAL, written); + IOMAP_DIO_PARTIAL, NULL, written); from->nofault = false; if (ret <= 0) { if (ret == -ENOTBLK) diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c index 314d8235f4ab..cf224a8bb311 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -483,7 +483,7 @@ static loff_t iomap_dio_iter(const struct iomap_iter *iter, struct iomap_dio * __iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, const struct iomap_ops *ops, const struct iomap_dio_ops *dops, - unsigned int dio_flags, size_t done_before) + unsigned int dio_flags, void *private, size_t done_before) { struct address_space *mapping = iocb->ki_filp->f_mapping; struct inode *inode = file_inode(iocb->ki_filp); @@ -492,6 +492,7 @@ __iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, .pos = iocb->ki_pos, .len = iov_iter_count(iter), .flags = IOMAP_DIRECT, + .private = private, }; loff_t end = iomi.pos + iomi.len - 1, ret = 0; bool wait_for_completion = @@ -683,11 +684,12 @@ EXPORT_SYMBOL_GPL(__iomap_dio_rw); ssize_t iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, const struct iomap_ops *ops, const struct iomap_dio_ops *dops, - unsigned int dio_flags, size_t done_before) + unsigned int dio_flags, void *private, size_t done_before) { struct iomap_dio *dio; - dio = __iomap_dio_rw(iocb, iter, ops, dops, dio_flags, done_before); + dio = __iomap_dio_rw(iocb, iter, ops, dops, dio_flags, private, + done_before); if (IS_ERR_OR_NULL(dio)) return PTR_ERR_OR_ZERO(dio); return iomap_dio_complete(dio); diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 5bddb1e9e0b3..85c412107a10 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -225,7 +225,7 @@ xfs_file_dio_read( ret = xfs_ilock_iocb(iocb, XFS_IOLOCK_SHARED); if (ret) return ret; - ret = iomap_dio_rw(iocb, to, &xfs_read_iomap_ops, NULL, 0, 0); + ret = iomap_dio_rw(iocb, to, &xfs_read_iomap_ops, NULL, 0, NULL, 0); xfs_iunlock(ip, XFS_IOLOCK_SHARED); return ret; @@ -534,7 +534,7 @@ xfs_file_dio_write_aligned( } trace_xfs_file_direct_write(iocb, from); ret = iomap_dio_rw(iocb, from, &xfs_direct_write_iomap_ops, - &xfs_dio_write_ops, 0, 0); + &xfs_dio_write_ops, 0, NULL, 0); out_unlock: if (iolock) xfs_iunlock(ip, iolock); @@ -612,7 +612,7 @@ retry_exclusive: trace_xfs_file_direct_write(iocb, from); ret = iomap_dio_rw(iocb, from, &xfs_direct_write_iomap_ops, - &xfs_dio_write_ops, flags, 0); + &xfs_dio_write_ops, flags, NULL, 0); /* * Retry unaligned I/O with exclusive blocking semantics if the DIO diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c index e20e7c841489..777fe626c2b3 100644 --- a/fs/zonefs/super.c +++ b/fs/zonefs/super.c @@ -861,7 +861,7 @@ static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from) ret = zonefs_file_dio_append(iocb, from); else ret = iomap_dio_rw(iocb, from, &zonefs_iomap_ops, - &zonefs_write_dio_ops, 0, 0); + &zonefs_write_dio_ops, 0, NULL, 0); if (zi->i_ztype == ZONEFS_ZTYPE_SEQ && (ret > 0 || ret == -EIOCBQUEUED)) { if (ret > 0) @@ -996,7 +996,7 @@ static ssize_t zonefs_file_read_iter(struct kiocb *iocb, struct iov_iter *to) } file_accessed(iocb->ki_filp); ret = iomap_dio_rw(iocb, to, &zonefs_iomap_ops, - &zonefs_read_dio_ops, 0, 0); + &zonefs_read_dio_ops, 0, NULL, 0); } else { ret = generic_file_read_iter(iocb, to); if (ret == -EIO) |