diff mbox series

[18/19] ext4: add pre-content fsnotify hook for DAX faults

Message ID 20241121112218.8249-19-jack@suse.cz (mailing list archive)
State New
Headers show
Series fanotify: add pre-content hooks | expand

Commit Message

Jan Kara Nov. 21, 2024, 11:22 a.m. UTC 
ext4 has its own handling for DAX faults. Add the pre-content fsnotify
hook for this case.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/ext4/file.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index f14aed14b9cf..07946bf67944 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -737,6 +737,9 @@  static vm_fault_t ext4_dax_huge_fault(struct vm_fault *vmf, unsigned int order)
 			return VM_FAULT_SIGBUS;
 		}
 	} else {
+		result = filemap_fsnotify_fault(vmf);
+		if (unlikely(result))
+			return result;
 		filemap_invalidate_lock_shared(mapping);
 	}
 	result = dax_iomap_fault(vmf, order, &pfn, &error, &ext4_iomap_ops);