[rpms/kernel] rawhide: kernel-7.2.0-0.rc3.28

[Justin M. Forbes <jforbes@fedoraproject.org>]

            A new commit has been pushed.

            Repo   : rpms/kernel
            Branch : rawhide
            Commit : dd6d1124ab36f0049c74165918ab843c2fb9f504
            Author : Justin M. Forbes <jforbes@fedoraproject.org>
            Date   : 2026-07-14T00:22:16-06:00
            Stats  : +85/-6 in 6 file(s)
            URL    : https://src.fedoraproject.org/rpms/kernel/c/dd6d1124ab36f0049c74165918ab843c2fb9f504?branch=rawhide

            Log:
            kernel-7.2.0-0.rc3.28

* Tue Jul 14 2026 Justin M. Forbes <jforbes@fedoraproject.org> [7.2.0-0.rc3.28]
- xfs: resample the data fork mapping after cycling ILOCK (Darrick J. Wong)
Resolves:

Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>

---
diff --git a/Makefile.rhelver b/Makefile.rhelver
index 8022cf9..893a150 100644
--- a/Makefile.rhelver
+++ b/Makefile.rhelver
@@ -12,7 +12,7 @@ RHEL_MINOR = 99
 #
 # Use this spot to avoid future merge conflicts.
 # Do not trim this comment.
-RHEL_RELEASE = 26
+RHEL_RELEASE = 28
 
 #
 # RHEL_REBASE_NUM

diff --git a/Patchlist.changelog b/Patchlist.changelog
index 8c0e973..a94a5ba 100644
--- a/Patchlist.changelog
+++ b/Patchlist.changelog
@@ -1,3 +1,6 @@
+https://gitlab.com/cki-project/kernel-ark/-/commit/8eb6fed6858440a757afee188d25c61c064aa3da
+ 8eb6fed6858440a757afee188d25c61c064aa3da xfs: resample the data fork mapping after cycling ILOCK
+
 https://gitlab.com/cki-project/kernel-ark/-/commit/75c8343f66def9d6ab14cd59f464c872593298df
  75c8343f66def9d6ab14cd59f464c872593298df Revert "Input: rmi4 - remove the need for artificial IRQ in case of HID"
 

diff --git a/kernel.changelog b/kernel.changelog
index aad9095..e1b80e8 100644
--- a/kernel.changelog
+++ b/kernel.changelog
@@ -1,3 +1,7 @@
+* Tue Jul 14 2026 Justin M. Forbes <jforbes@fedoraproject.org> [7.2.0-0.rc3.28]
+- xfs: resample the data fork mapping after cycling ILOCK (Darrick J. Wong)
+Resolves: 
+
 * Mon Jul 13 2026 Fedora Kernel Team <kernel-team@fedoraproject.org> [7.2.0-0.rc3.26]
 - redhat/kernel.spec: require libbabeltrace2-devel (Yaakov Selkowitz)
 - automotive: enable HUGETLBFS to workaround build error (Scott Weaver)

diff --git a/kernel.spec b/kernel.spec
index f9d0cb8..107bea5 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -190,13 +190,13 @@ Summary: The Linux kernel
 %define specrpmversion 7.2.0
 %define specversion 7.2.0
 %define patchversion 7.2
-%define pkgrelease 0.rc3.26
+%define pkgrelease 0.rc3.28
 %define kversion 7
 %define tarfile_release 7.2-rc3
 # This is needed to do merge window version magic
 %define patchlevel 2
 # This allows pkg_release to have configurable %%{?dist} tag
-%define specrelease 0.rc3.26%{?buildid}%{?dist}
+%define specrelease 0.rc3.28%{?buildid}%{?dist}
 # This defines the kabi tarball version
 %define kabiversion 7.2.0
 
@@ -4942,6 +4942,9 @@ fi\
 #
 #
 %changelog
+* Tue Jul 14 2026 Justin M. Forbes <jforbes@fedoraproject.org> [7.2.0-0.rc3.28]
+- xfs: resample the data fork mapping after cycling ILOCK (Darrick J. Wong)
+
 * Mon Jul 13 2026 Fedora Kernel Team <kernel-team@fedoraproject.org> [7.2.0-0.rc3.26]
 - redhat/kernel.spec: require libbabeltrace2-devel (Yaakov Selkowitz)
 - automotive: enable HUGETLBFS to workaround build error (Scott Weaver)

diff --git a/patch-7.2-redhat.patch b/patch-7.2-redhat.patch
index 7c87d97..9de649e 100644
--- a/patch-7.2-redhat.patch
+++ b/patch-7.2-redhat.patch
@@ -42,6 +42,7 @@
  fs/afs/main.c                                      |   3 +
  fs/erofs/super.c                                   |   9 +
  fs/ext4/super.c                                    |  11 +
+ fs/xfs/xfs_reflink.c                               |  36 ++
  include/linux/crypto.h                             |   2 +
  include/linux/efi.h                                |  22 +-
  include/linux/kernel.h                             |  28 ++
@@ -74,7 +75,7 @@
  tools/testing/selftests/bpf/DENYLIST.rhel          |  76 +++
  tools/testing/selftests/bpf/Makefile               |   2 +-
  tools/testing/selftests/bpf/prog_tests/ksyms_btf.c |  31 --
- 76 files changed, 2669 insertions(+), 108 deletions(-)
+ 77 files changed, 2705 insertions(+), 108 deletions(-)
 
 diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
 index b5493a7f8f22..491293827544 100644
@@ -1722,6 +1723,74 @@ index 245f67d10ded..f1e49d37b270 100644
  	/* Register sysfs after all initializations are complete. */
  	err = ext4_register_sysfs(sb);
  	if (err)
+diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
+index a5c188b78138..480136136635 100644
+--- a/fs/xfs/xfs_reflink.c
++++ b/fs/xfs/xfs_reflink.c
+@@ -440,6 +440,7 @@ xfs_reflink_fill_cow_hole(
+ 	struct xfs_mount	*mp = ip->i_mount;
+ 	struct xfs_trans	*tp;
+ 	xfs_filblks_t		resaligned;
++	unsigned int		seq_before = READ_ONCE(ip->i_df.if_seq);
+ 	unsigned int		dblocks = 0, rblocks = 0;
+ 	int			nimaps;
+ 	int			error;
+@@ -465,6 +466,22 @@ xfs_reflink_fill_cow_hole(
+ 
+ 	*lockmode = XFS_ILOCK_EXCL;
+ 
++	/*
++	 * The data fork mapping may have changed while we dropped the ILOCK
++	 * (a racing O_DIRECT writer under IOLOCK_SHARED can complete a full
++	 * CoW cycle including xfs_reflink_end_cow(), which remaps this offset
++	 * and drops the refcount of the old shared block).  Re-read it so the
++	 * shared-status recheck below and the caller's in-place iomap both
++	 * operate on the current mapping rather than a stale physical block.
++	 */
++	if (seq_before != READ_ONCE(ip->i_df.if_seq)) {
++		nimaps = 1;
++		error = xfs_bmapi_read(ip, imap->br_startoff,
++				imap->br_blockcount, imap, &nimaps, 0);
++		if (error)
++			goto out_trans_cancel;
++	}
++
+ 	error = xfs_find_trim_cow_extent(ip, imap, cmap, shared, &found);
+ 	if (error || !*shared)
+ 		goto out_trans_cancel;
+@@ -511,6 +528,8 @@ xfs_reflink_fill_delalloc(
+ 	bool			found;
+ 
+ 	do {
++		unsigned int	seq_before = READ_ONCE(ip->i_df.if_seq);
++
+ 		xfs_iunlock(ip, *lockmode);
+ 		*lockmode = 0;
+ 
+@@ -521,6 +540,23 @@ xfs_reflink_fill_delalloc(
+ 
+ 		*lockmode = XFS_ILOCK_EXCL;
+ 
++		/*
++		 * The data fork mapping may have changed while we dropped the
++		 * ILOCK (a racing O_DIRECT writer under IOLOCK_SHARED can
++		 * complete a full CoW cycle including xfs_reflink_end_cow(),
++		 * which remaps this offset and drops the refcount of the old
++		 * shared block).  Re-read it so the shared-status recheck
++		 * below and the caller's in-place iomap both operate on the
++		 * current mapping rather than a stale physical block.
++		 */
++		if (seq_before != READ_ONCE(ip->i_df.if_seq)) {
++			nimaps = 1;
++			error = xfs_bmapi_read(ip, imap->br_startoff,
++					imap->br_blockcount, imap, &nimaps, 0);
++			if (error)
++				goto out_trans_cancel;
++		}
++
+ 		error = xfs_find_trim_cow_extent(ip, imap, cmap, shared,
+ 				&found);
+ 		if (error || !*shared)
 diff --git a/include/linux/crypto.h b/include/linux/crypto.h
 index b7c97f1c47c9..0a484f45b24a 100644
 --- a/include/linux/crypto.h

diff --git a/sources b/sources
index ef0e2f3..407dd55 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
 SHA512 (linux-7.2-rc3.tar.xz) = 791d9744cb5123ff8d9712010ac8e794a7261f46b40b1eb73c41d5624610f98a40ba18c93200b76cce8b455dd3a31733af55837f99a159edcc17aa5928498b94
-SHA512 (kernel-abi-stablelists-7.2.0.tar.xz) = de769a08df7fd84711819290d5a819df1b7e58b84326825961a44b37edd1fb10a1dfe87bc5ea74a46752ee21e93926b164aca5e96f0ddda5fc218ebf3b65e401
-SHA512 (kernel-kabi-dw-7.2.0.tar.xz) = 3f1dcad0b9e39b7415e90d8a29ac6678304422389e1cec322e6af4bb179c632524674d906e22b93f4e16f0573261dab05ba85c6d05a7a896c1156cedd5c893ee
+SHA512 (kernel-abi-stablelists-7.2.0.tar.xz) = af585f9ff85f6c12549410f893573602822382b901b6e3cae2a3570d08d59d5dfeacf12f58399f00189206633cc420311fbf95469842871d72186b63cdf98173
+SHA512 (kernel-kabi-dw-7.2.0.tar.xz) = 11040e2ac52436da8901ca4d2d7e055c7a936dce3f7885a365e5727cb72072508e318aec7b030904f979a8977e568e364b6472e639d69955fa03a305b02ef57e