Naturally, the first inotify_add_watch() returns 1, but also fs/notify/inotify.c:inotify_add_to_idr() allocates them with idr_alloc_cyclic(idr, i_mark, start=1, end=0, GFP_NOWAIT); (start inclusive, end exclusive). (From SYSCALL_DEFINE3(inotify_add_watch, ...), from inotify_update_watch(), from inotify_new_watch()). Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@xxxxxxxxxxxxxxxxxx> --- man7/inotify.7 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/man7/inotify.7 b/man7/inotify.7 index 4fe83902a..282e97ed7 100644 --- a/man7/inotify.7 +++ b/man7/inotify.7 @@ -838,7 +838,7 @@ .SH BUGS any pending unread events for that watch descriptor remain available to read. As watch descriptors are subsequently allocated with .BR inotify_add_watch (2), -the kernel cycles through the range of possible watch descriptors (0 to +the kernel cycles through the range of possible watch descriptors (1 to .BR INT_MAX ) incrementally. When allocating a free watch descriptor, no check is made to see whether that -- 2.39.2
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