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authorJohn McCutchan <ttb@tentacle.dhs.org>2005-09-06 15:18:02 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-07 16:57:39 -0700
commit7ea6040b0eff07d3a9a4e2d248ac137c6ad02d42 (patch)
tree0a7bcce73c623f89cd5e8a97d2da7946da3293e3 /include
parent8191151d0933d65fb6b659ffbd765479f0f200e1 (diff)
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[PATCH] inotify: fix event loss on hardlinked files
People have run into a problem when they do this: watch (file1, all_events); watch (file2, some_events); if file2 is a hard link to file1, some events will be missed because by default we replace the mask. The patch below adds a flag IN_MASK_ADD which will cause inotify to add to the existing mask if present. Signed-off-by: John McCutchan <ttb@tentacle.dhs.org> Signed-off-by: Robert Love <rml@novell.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/inotify.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/inotify.h b/include/linux/inotify.h
index 93bb3af..ee5b239 100644
--- a/include/linux/inotify.h
+++ b/include/linux/inotify.h
@@ -47,6 +47,7 @@ struct inotify_event {
#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO) /* moves */
/* special flags */
+#define IN_MASK_ADD 0x20000000 /* add to the mask of an already existing watch */
#define IN_ISDIR 0x40000000 /* event occurred against dir */
#define IN_ONESHOT 0x80000000 /* only send event once */