diff options
| author | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 07:49:38 +0100 |
|---|---|---|
| committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 07:50:23 +0100 |
| commit | b5c84bf6f6fa3a7dfdcb556023a62953574b60ee (patch) | |
| tree | 7a2c299a180713e21d5cb653cb933121adf53c31 /fs/autofs4/waitq.c | |
| parent | fs: Use rename lock and RCU for multi-step operations (diff) | |
| download | linux-b5c84bf6f6fa3a7dfdcb556023a62953574b60ee.tar.xz linux-b5c84bf6f6fa3a7dfdcb556023a62953574b60ee.zip | |
fs: dcache remove dcache_lock
dcache_lock no longer protects anything. remove it.
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/autofs4/waitq.c')
| -rw-r--r-- | fs/autofs4/waitq.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c index 4be8f778a418..c5f8459c905e 100644 --- a/fs/autofs4/waitq.c +++ b/fs/autofs4/waitq.c @@ -194,14 +194,15 @@ static int autofs4_getpath(struct autofs_sb_info *sbi, rename_retry: buf = *name; len = 0; + seq = read_seqbegin(&rename_lock); rcu_read_lock(); - spin_lock(&dcache_lock); + spin_lock(&autofs4_lock); for (tmp = dentry ; tmp != root ; tmp = tmp->d_parent) len += tmp->d_name.len + 1; if (!len || --len > NAME_MAX) { - spin_unlock(&dcache_lock); + spin_unlock(&autofs4_lock); rcu_read_unlock(); if (read_seqretry(&rename_lock, seq)) goto rename_retry; @@ -217,7 +218,7 @@ rename_retry: p -= tmp->d_name.len; strncpy(p, tmp->d_name.name, tmp->d_name.len); } - spin_unlock(&dcache_lock); + spin_unlock(&autofs4_lock); rcu_read_unlock(); if (read_seqretry(&rename_lock, seq)) goto rename_retry; |