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Subject[PATCH 5.10 43/84] xfs: Skip repetitive warnings about mount options
Date
From: Pavel Reichl <preichl@redhat.com>

commit 92cf7d36384b99d5a57bf4422904a3c16dc4527a upstream.

Skip the warnings about mount option being deprecated if we are
remounting and deprecated option state is not changing.

Bug: https://bugzilla.kernel.org/show_bug.cgi?id=211605
Fix-suggested-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Pavel Reichl <preichl@redhat.com>

Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/xfs/xfs_super.c | 24 ++++++++++++++++++++----
1 file changed, 20 insertions(+), 4 deletions(-)

--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1155,6 +1155,22 @@ suffix_kstrtoint(
return ret;
}

+static inline void
+xfs_fs_warn_deprecated(
+ struct fs_context *fc,
+ struct fs_parameter *param,
+ uint64_t flag,
+ bool value)
+{
+ /* Don't print the warning if reconfiguring and current mount point
+ * already had the flag set
+ */
+ if ((fc->purpose & FS_CONTEXT_FOR_RECONFIGURE) &&
+ !!(XFS_M(fc->root->d_sb)->m_flags & flag) == value)
+ return;
+ xfs_warn(fc->s_fs_info, "%s mount option is deprecated.", param->key);
+}
+
/*
* Set mount state from a mount option.
*
@@ -1294,19 +1310,19 @@ xfs_fc_parse_param(
#endif
/* Following mount options will be removed in September 2025 */
case Opt_ikeep:
- xfs_warn(parsing_mp, "%s mount option is deprecated.", param->key);
+ xfs_fs_warn_deprecated(fc, param, XFS_MOUNT_IKEEP, true);
parsing_mp->m_flags |= XFS_MOUNT_IKEEP;
return 0;
case Opt_noikeep:
- xfs_warn(parsing_mp, "%s mount option is deprecated.", param->key);
+ xfs_fs_warn_deprecated(fc, param, XFS_MOUNT_IKEEP, false);
parsing_mp->m_flags &= ~XFS_MOUNT_IKEEP;
return 0;
case Opt_attr2:
- xfs_warn(parsing_mp, "%s mount option is deprecated.", param->key);
+ xfs_fs_warn_deprecated(fc, param, XFS_MOUNT_ATTR2, true);
parsing_mp->m_flags |= XFS_MOUNT_ATTR2;
return 0;
case Opt_noattr2:
- xfs_warn(parsing_mp, "%s mount option is deprecated.", param->key);
+ xfs_fs_warn_deprecated(fc, param, XFS_MOUNT_NOATTR2, true);
parsing_mp->m_flags &= ~XFS_MOUNT_ATTR2;
parsing_mp->m_flags |= XFS_MOUNT_NOATTR2;
return 0;

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