linux-ext4 - [PATCH v8 19/19] fs: enable pre-content events on supported file systems

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Message-ID: <46960dcb2725fa0317895ed66a8409ba1c306a82.1731684329.git.josef@toxicpanda.com>
Date: Fri, 15 Nov 2024 10:30:32 -0500
From: Josef Bacik <josef@...icpanda.com>
To: kernel-team@...com,
	linux-fsdevel@...r.kernel.org,
	jack@...e.cz,
	amir73il@...il.com,
	brauner@...nel.org,
	torvalds@...ux-foundation.org,
	viro@...iv.linux.org.uk,
	linux-xfs@...r.kernel.org,
	linux-btrfs@...r.kernel.org,
	linux-mm@...ck.org,
	linux-ext4@...r.kernel.org
Subject: [PATCH v8 19/19] fs: enable pre-content events on supported file systems

Now that all the code has been added for pre-content events, and the
various file systems that need the page fault hooks for fsnotify have
been updated, add SB_I_ALLOW_HSM to the supported file systems.

Signed-off-by: Josef Bacik <josef@...icpanda.com>
---
 fs/btrfs/super.c   | 2 +-
 fs/ext4/super.c    | 3 +++
 fs/xfs/xfs_super.c | 2 +-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 97a85d180b61..fe6ecc3f1cab 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -961,7 +961,7 @@ static int btrfs_fill_super(struct super_block *sb,
 #endif
 	sb->s_xattr = btrfs_xattr_handlers;
 	sb->s_time_gran = 1;
-	sb->s_iflags |= SB_I_CGROUPWB;
+	sb->s_iflags |= SB_I_CGROUPWB | SB_I_ALLOW_HSM;
 
 	err = super_setup_bdi(sb);
 	if (err) {
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index b3512d78b55c..13b9d67a4eec 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5306,6 +5306,9 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
 	/* i_version is always enabled now */
 	sb->s_flags |= SB_I_VERSION;
 
+	/* HSM events are allowed by default. */
+	sb->s_iflags |= SB_I_ALLOW_HSM;
+
 	err = ext4_check_feature_compatibility(sb, es, silent);
 	if (err)
 		goto failed_mount;
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index fda75db739b1..2d1e9db8548d 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1713,7 +1713,7 @@ xfs_fs_fill_super(
 		sb->s_time_max = XFS_LEGACY_TIME_MAX;
 	}
 	trace_xfs_inode_timestamp_range(mp, sb->s_time_min, sb->s_time_max);
-	sb->s_iflags |= SB_I_CGROUPWB;
+	sb->s_iflags |= SB_I_CGROUPWB | SB_I_ALLOW_HSM;
 
 	set_posix_acl_flag(sb);
 
-- 
2.43.0