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| author | Dmitry Chagin <dchagin@FreeBSD.org> | 2023-06-13 12:22:09 +0000 |
|---|---|---|
| committer | Dmitry Chagin <dchagin@FreeBSD.org> | 2023-06-13 12:22:09 +0000 |
| commit | 861abdadf9db4dd7ba577537ba262fcda29869dd (patch) | |
| tree | fb14955dba77ab47fa43b27d9dc6d6d27457df2c /sys | |
| parent | 6a9cfebaf1cfee2ff39fb5ea1e7077aab423c3f6 (diff) | |
| download | src-861abdadf9db4dd7ba577537ba262fcda29869dd.tar.gz src-861abdadf9db4dd7ba577537ba262fcda29869dd.zip | |
namei: Add a comment explaining ISRESTARTED flag
Reviewed by: kib
Differential Revision: https://reviews.freebsd.org/D40494
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/vfs_lookup.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/kern/vfs_lookup.c b/sys/kern/vfs_lookup.c index c813296b4931..20919fb38b4d 100644 --- a/sys/kern/vfs_lookup.c +++ b/sys/kern/vfs_lookup.c @@ -81,6 +81,11 @@ static void NDVALIDATE_impl(struct nameidata *, int); #define NDVALIDATE(ndp) #endif +/* + * Prepare namei() to restart. Reset components to its original state and set + * ISRESTARTED flag which signals the underlying lookup code to change the root + * from ABI root to actual root and prevents a further restarts. + */ #define NDRESTART(ndp) do { \ NDREINIT_DBG(ndp); \ ndp->ni_resflags = 0; \ |