linux-ext4 - [PATCH v2 47/54] pnfs: use i_count refcount to determine if the inode is going away

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Message-ID: <1d54ccfdd1e49bdb270e1cf1f6482b809f037d73.1756222465.git.josef@toxicpanda.com>
Date: Tue, 26 Aug 2025 11:39:47 -0400
From: Josef Bacik <josef@...icpanda.com>
To: linux-fsdevel@...r.kernel.org,
	linux-btrfs@...r.kernel.org,
	kernel-team@...com,
	linux-ext4@...r.kernel.org,
	linux-xfs@...r.kernel.org,
	brauner@...nel.org,
	viro@...IV.linux.org.uk,
	amir73il@...il.com
Subject: [PATCH v2 47/54] pnfs: use i_count refcount to determine if the inode is going away

Remove the I_FREEING and I_CLEAR check in PNFS and replace it with a
i_count reference check, which will indicate that the inode is going
away.

Signed-off-by: Josef Bacik <josef@...icpanda.com>
---
 fs/nfs/pnfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index a3135b5af7ee..e400e3334c75 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -317,7 +317,7 @@ pnfs_put_layout_hdr(struct pnfs_layout_hdr *lo)
 			WARN_ONCE(1, "NFS: BUG unfreed layout segments.\n");
 		pnfs_detach_layout_hdr(lo);
 		/* Notify pnfs_destroy_layout_final() that we're done */
-		if (inode->i_state & (I_FREEING | I_CLEAR))
+		if (icount_read(inode) == 0)
 			wake_up_var_locked(lo, &inode->i_lock);
 		spin_unlock(&inode->i_lock);
 		pnfs_free_layout_hdr(lo);
-- 
2.49.0