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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:10:17 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:10:17 +0000 |
| commit | 9db5397d87fc212863d4750c85ff8b9a6ed42b95 (patch) | |
| tree | 1bd4e8854203c575eabaa99e2c509f8886065733 /fs/afs/callback.c | |
| parent | Adding upstream version 6.1.76. (diff) | |
| download | linux-5ec7306afaaa4c62ba14bf6908c50e520aa901ff.tar.xz linux-5ec7306afaaa4c62ba14bf6908c50e520aa901ff.zip | |
Adding upstream version 6.1.82.upstream/6.1.82
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/afs/callback.c')
| -rw-r--r-- | fs/afs/callback.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/afs/callback.c b/fs/afs/callback.c index a484fa642..90f9b2a46 100644 --- a/fs/afs/callback.c +++ b/fs/afs/callback.c @@ -110,13 +110,14 @@ static struct afs_volume *afs_lookup_volume_rcu(struct afs_cell *cell, { struct afs_volume *volume = NULL; struct rb_node *p; - int seq = 0; + int seq = 1; do { /* Unfortunately, rbtree walking doesn't give reliable results * under just the RCU read lock, so we have to check for * changes. */ + seq++; /* 2 on the 1st/lockless path, otherwise odd */ read_seqbegin_or_lock(&cell->volume_lock, &seq); p = rcu_dereference_raw(cell->volumes.rb_node); |