git.openpandora.org
/
pandora-kernel.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Pull percpu-dtc into release branch
[pandora-kernel.git]
/
Documentation
/
filesystems
/
relay.txt
diff --git
a/Documentation/filesystems/relay.txt
b/Documentation/filesystems/relay.txt
index
d6788da
..
7fbb6ff
100644
(file)
--- a/
Documentation/filesystems/relay.txt
+++ b/
Documentation/filesystems/relay.txt
@@
-157,7
+157,7
@@
TBD(curr. line MT:/API/)
channel management functions:
relay_open(base_filename, parent, subbuf_size, n_subbufs,
channel management functions:
relay_open(base_filename, parent, subbuf_size, n_subbufs,
- callbacks)
+ callbacks
, private_data
)
relay_close(chan)
relay_flush(chan)
relay_reset(chan)
relay_close(chan)
relay_flush(chan)
relay_reset(chan)
@@
-251,7
+251,7
@@
static struct rchan_callbacks relay_callbacks =
And an example relay_open() invocation using them:
And an example relay_open() invocation using them:
- chan = relay_open("cpu", NULL, SUBBUF_SIZE, N_SUBBUFS, &relay_callbacks);
+ chan = relay_open("cpu", NULL, SUBBUF_SIZE, N_SUBBUFS, &relay_callbacks
, NULL
);
If the create_buf_file() callback fails, or isn't defined, channel
creation and thus relay_open() will fail.
If the create_buf_file() callback fails, or isn't defined, channel
creation and thus relay_open() will fail.
@@
-289,6
+289,11
@@
they use the proper locking for such a buffer, either by wrapping
writes in a spinlock, or by copying a write function from relay.h and
creating a local version that internally does the proper locking.
writes in a spinlock, or by copying a write function from relay.h and
creating a local version that internally does the proper locking.
+The private_data passed into relay_open() allows clients to associate
+user-defined data with a channel, and is immediately available
+(including in create_buf_file()) via chan->private_data or
+buf->chan->private_data.
+
Channel 'modes'
---------------
Channel 'modes'
---------------