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Date: Mon, 29 Nov 2021 11:21:57 +0100
From: Christoph Hellwig <hch@....de>
To: Dan Williams <dan.j.williams@...el.com>
Cc: Mike Snitzer <snitzer@...hat.com>, Ira Weiny <ira.weiny@...el.com>,
dm-devel@...hat.com, linux-xfs@...r.kernel.org,
nvdimm@...ts.linux.dev, linux-s390@...r.kernel.org,
linux-fsdevel@...r.kernel.org, linux-erofs@...ts.ozlabs.org,
linux-ext4@...r.kernel.org,
virtualization@...ts.linux-foundation.org
Subject: [PATCH 23/29] xfs: pass the mapping flags to xfs_bmbt_to_iomap
To prepare for looking at the IOMAP_DAX flag in xfs_bmbt_to_iomap pass in
the input mapping flags to xfs_bmbt_to_iomap.
Signed-off-by: Christoph Hellwig <hch@....de>
---
fs/xfs/libxfs/xfs_bmap.c | 4 ++--
fs/xfs/xfs_aops.c | 2 +-
fs/xfs/xfs_iomap.c | 35 ++++++++++++++++++++---------------
fs/xfs/xfs_iomap.h | 5 +++--
fs/xfs/xfs_pnfs.c | 2 +-
5 files changed, 27 insertions(+), 21 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 4dccd4d90622d..74198dd82b035 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -4551,7 +4551,7 @@ xfs_bmapi_convert_delalloc(
* the extent. Just return the real extent at this offset.
*/
if (!isnullstartblock(bma.got.br_startblock)) {
- xfs_bmbt_to_iomap(ip, iomap, &bma.got, flags);
+ xfs_bmbt_to_iomap(ip, iomap, &bma.got, 0, flags);
*seq = READ_ONCE(ifp->if_seq);
goto out_trans_cancel;
}
@@ -4598,7 +4598,7 @@ xfs_bmapi_convert_delalloc(
XFS_STATS_INC(mp, xs_xstrat_quick);
ASSERT(!isnullstartblock(bma.got.br_startblock));
- xfs_bmbt_to_iomap(ip, iomap, &bma.got, flags);
+ xfs_bmbt_to_iomap(ip, iomap, &bma.got, 0, flags);
*seq = READ_ONCE(ifp->if_seq);
if (whichfork == XFS_COW_FORK)
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index c8c15c3c31471..6ac3449a68ba0 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -359,7 +359,7 @@ xfs_map_blocks(
isnullstartblock(imap.br_startblock))
goto allocate_blocks;
- xfs_bmbt_to_iomap(ip, &wpc->iomap, &imap, 0);
+ xfs_bmbt_to_iomap(ip, &wpc->iomap, &imap, 0, 0);
trace_xfs_map_blocks_found(ip, offset, count, whichfork, &imap);
return 0;
allocate_blocks:
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 9b7f92c6aef33..d6beb1502f8bc 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -53,7 +53,8 @@ xfs_bmbt_to_iomap(
struct xfs_inode *ip,
struct iomap *iomap,
struct xfs_bmbt_irec *imap,
- u16 flags)
+ unsigned int mapping_flags,
+ u16 iomap_flags)
{
struct xfs_mount *mp = ip->i_mount;
struct xfs_buftarg *target = xfs_inode_buftarg(ip);
@@ -79,7 +80,7 @@ xfs_bmbt_to_iomap(
iomap->length = XFS_FSB_TO_B(mp, imap->br_blockcount);
iomap->bdev = target->bt_bdev;
iomap->dax_dev = target->bt_daxdev;
- iomap->flags = flags;
+ iomap->flags = iomap_flags;
if (xfs_ipincount(ip) &&
(ip->i_itemp->ili_fsync_fields & ~XFS_ILOG_TIMESTAMP))
@@ -799,7 +800,7 @@ xfs_direct_write_iomap_begin(
xfs_iunlock(ip, lockmode);
trace_xfs_iomap_found(ip, offset, length, XFS_DATA_FORK, &imap);
- return xfs_bmbt_to_iomap(ip, iomap, &imap, iomap_flags);
+ return xfs_bmbt_to_iomap(ip, iomap, &imap, flags, iomap_flags);
allocate_blocks:
error = -EAGAIN;
@@ -830,18 +831,19 @@ xfs_direct_write_iomap_begin(
return error;
trace_xfs_iomap_alloc(ip, offset, length, XFS_DATA_FORK, &imap);
- return xfs_bmbt_to_iomap(ip, iomap, &imap, iomap_flags | IOMAP_F_NEW);
+ return xfs_bmbt_to_iomap(ip, iomap, &imap, flags,
+ iomap_flags | IOMAP_F_NEW);
out_found_cow:
xfs_iunlock(ip, lockmode);
length = XFS_FSB_TO_B(mp, cmap.br_startoff + cmap.br_blockcount);
trace_xfs_iomap_found(ip, offset, length - offset, XFS_COW_FORK, &cmap);
if (imap.br_startblock != HOLESTARTBLOCK) {
- error = xfs_bmbt_to_iomap(ip, srcmap, &imap, 0);
+ error = xfs_bmbt_to_iomap(ip, srcmap, &imap, flags, 0);
if (error)
return error;
}
- return xfs_bmbt_to_iomap(ip, iomap, &cmap, IOMAP_F_SHARED);
+ return xfs_bmbt_to_iomap(ip, iomap, &cmap, flags, IOMAP_F_SHARED);
out_unlock:
if (lockmode)
@@ -1051,23 +1053,24 @@ xfs_buffered_write_iomap_begin(
*/
xfs_iunlock(ip, XFS_ILOCK_EXCL);
trace_xfs_iomap_alloc(ip, offset, count, allocfork, &imap);
- return xfs_bmbt_to_iomap(ip, iomap, &imap, IOMAP_F_NEW);
+ return xfs_bmbt_to_iomap(ip, iomap, &imap, flags, IOMAP_F_NEW);
found_imap:
xfs_iunlock(ip, XFS_ILOCK_EXCL);
- return xfs_bmbt_to_iomap(ip, iomap, &imap, 0);
+ return xfs_bmbt_to_iomap(ip, iomap, &imap, flags, 0);
found_cow:
xfs_iunlock(ip, XFS_ILOCK_EXCL);
if (imap.br_startoff <= offset_fsb) {
- error = xfs_bmbt_to_iomap(ip, srcmap, &imap, 0);
+ error = xfs_bmbt_to_iomap(ip, srcmap, &imap, flags, 0);
if (error)
return error;
- return xfs_bmbt_to_iomap(ip, iomap, &cmap, IOMAP_F_SHARED);
+ return xfs_bmbt_to_iomap(ip, iomap, &cmap, flags,
+ IOMAP_F_SHARED);
}
xfs_trim_extent(&cmap, offset_fsb, imap.br_startoff - offset_fsb);
- return xfs_bmbt_to_iomap(ip, iomap, &cmap, 0);
+ return xfs_bmbt_to_iomap(ip, iomap, &cmap, flags, 0);
out_unlock:
xfs_iunlock(ip, XFS_ILOCK_EXCL);
@@ -1176,7 +1179,8 @@ xfs_read_iomap_begin(
if (error)
return error;
trace_xfs_iomap_found(ip, offset, length, XFS_DATA_FORK, &imap);
- return xfs_bmbt_to_iomap(ip, iomap, &imap, shared ? IOMAP_F_SHARED : 0);
+ return xfs_bmbt_to_iomap(ip, iomap, &imap, flags,
+ shared ? IOMAP_F_SHARED : 0);
}
const struct iomap_ops xfs_read_iomap_ops = {
@@ -1235,7 +1239,8 @@ xfs_seek_iomap_begin(
if (data_fsb < cow_fsb + cmap.br_blockcount)
end_fsb = min(end_fsb, data_fsb);
xfs_trim_extent(&cmap, offset_fsb, end_fsb);
- error = xfs_bmbt_to_iomap(ip, iomap, &cmap, IOMAP_F_SHARED);
+ error = xfs_bmbt_to_iomap(ip, iomap, &cmap, flags,
+ IOMAP_F_SHARED);
/*
* This is a COW extent, so we must probe the page cache
* because there could be dirty page cache being backed
@@ -1257,7 +1262,7 @@ xfs_seek_iomap_begin(
imap.br_state = XFS_EXT_NORM;
done:
xfs_trim_extent(&imap, offset_fsb, end_fsb);
- error = xfs_bmbt_to_iomap(ip, iomap, &imap, 0);
+ error = xfs_bmbt_to_iomap(ip, iomap, &imap, flags, 0);
out_unlock:
xfs_iunlock(ip, lockmode);
return error;
@@ -1304,7 +1309,7 @@ xfs_xattr_iomap_begin(
if (error)
return error;
ASSERT(nimaps);
- return xfs_bmbt_to_iomap(ip, iomap, &imap, 0);
+ return xfs_bmbt_to_iomap(ip, iomap, &imap, flags, 0);
}
const struct iomap_ops xfs_xattr_iomap_ops = {
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h
index f1a281ab9328c..657cc02290f22 100644
--- a/fs/xfs/xfs_iomap.h
+++ b/fs/xfs/xfs_iomap.h
@@ -17,8 +17,9 @@ int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t, bool);
xfs_fileoff_t xfs_iomap_eof_align_last_fsb(struct xfs_inode *ip,
xfs_fileoff_t end_fsb);
-int xfs_bmbt_to_iomap(struct xfs_inode *, struct iomap *,
- struct xfs_bmbt_irec *, u16);
+int xfs_bmbt_to_iomap(struct xfs_inode *ip, struct iomap *iomap,
+ struct xfs_bmbt_irec *imap, unsigned int mapping_flags,
+ u16 iomap_flags);
int xfs_zero_range(struct xfs_inode *ip, loff_t pos, loff_t len,
bool *did_zero);
diff --git a/fs/xfs/xfs_pnfs.c b/fs/xfs/xfs_pnfs.c
index 5e1d29d8b2e73..7ce1ea11fc3f3 100644
--- a/fs/xfs/xfs_pnfs.c
+++ b/fs/xfs/xfs_pnfs.c
@@ -173,7 +173,7 @@ xfs_fs_map_blocks(
}
xfs_iunlock(ip, XFS_IOLOCK_EXCL);
- error = xfs_bmbt_to_iomap(ip, iomap, &imap, 0);
+ error = xfs_bmbt_to_iomap(ip, iomap, &imap, 0, 0);
*device_generation = mp->m_generation;
return error;
out_unlock:
--
2.30.2
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