diff options
author | David Howells <dhowells@redhat.com> | 2009-04-03 11:42:38 -0400 |
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committer | David Howells <dhowells@redhat.com> | 2009-04-03 11:42:38 -0400 |
commit | 2868cbea72dc89ae0eb17693596b1dedaafff1c5 (patch) | |
tree | 277e2cbdafabe6ca74458445838a07b571a94996 /fs/fscache/main.c | |
parent | 726dd7ff10c217dd74329c94643dc8ebea27334b (diff) |
FS-Cache: Bit waiting helpers
Add helpers for use with wait_on_bit().
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Tested-by: Daire Byrne <Daire.Byrne@framestore.com>
Diffstat (limited to 'fs/fscache/main.c')
-rw-r--r-- | fs/fscache/main.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/fscache/main.c b/fs/fscache/main.c index 48b79d2deac1..4de41b597499 100644 --- a/fs/fscache/main.c +++ b/fs/fscache/main.c | |||
@@ -102,3 +102,23 @@ static void __exit fscache_exit(void) | |||
102 | } | 102 | } |
103 | 103 | ||
104 | module_exit(fscache_exit); | 104 | module_exit(fscache_exit); |
105 | |||
106 | /* | ||
107 | * wait_on_bit() sleep function for uninterruptible waiting | ||
108 | */ | ||
109 | int fscache_wait_bit(void *flags) | ||
110 | { | ||
111 | schedule(); | ||
112 | return 0; | ||
113 | } | ||
114 | EXPORT_SYMBOL(fscache_wait_bit); | ||
115 | |||
116 | /* | ||
117 | * wait_on_bit() sleep function for interruptible waiting | ||
118 | */ | ||
119 | int fscache_wait_bit_interruptible(void *flags) | ||
120 | { | ||
121 | schedule(); | ||
122 | return signal_pending(current); | ||
123 | } | ||
124 | EXPORT_SYMBOL(fscache_wait_bit_interruptible); | ||