[PATCH v6 15/17] xfs: add pre-content fsnotify hook for write faults

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xfs has it's own handling for write faults, so we need to add the
pre-content fsnotify hook for this case.  Reads go through filemap_fault
so they're handled properly there.

Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
---
 fs/xfs/xfs_file.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index b19916b11fd5..d1966f996c77 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1442,6 +1442,10 @@ xfs_write_fault(
 	unsigned int		lock_mode = XFS_MMAPLOCK_SHARED;
 	vm_fault_t		ret;
 
+	ret = filemap_fsnotify_fault(vmf);
+	if (unlikely(ret))
+		return ret;
+
 	sb_start_pagefault(inode->i_sb);
 	file_update_time(vmf->vma->vm_file);
 
-- 
2.43.0





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