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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 12:11:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 12:11:57 -0700
commit300df7dc89cc276377fc020704e34875d5c473b6 (patch)
tree6b280000815b0562255cecf3da1a8c9597bce702 /fs/ocfs2/cluster
parent661adc423d70203a56723701aaf255e16950dfdb (diff)
parent9af0b38ff3f4f79c62dd909405b113bf7c1a23aa (diff)
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: ocfs2/net: Use wait_event() in o2net_send_message_vec() ocfs2: Adjust rightmost path in ocfs2_add_branch. ocfs2: fdatasync should skip unimportant metadata writeout ocfs2: Remove redundant gotos in ocfs2_mount_volume() ocfs2: Add statistics for the checksum and ecc operations. ocfs2 patch to track delayed orphan scan timer statistics ocfs2: timer to queue scan of all orphan slots ocfs2: Correct ordering of ip_alloc_sem and localloc locks for directories ocfs2: Fix possible deadlock in quota recovery ocfs2: Fix possible deadlock with quotas in ocfs2_setattr() ocfs2: Fix lock inversion in ocfs2_local_read_info() ocfs2: Fix possible deadlock in ocfs2_global_read_dquot() ocfs2: update comments in masklog.h ocfs2: Don't printk the error when listing too many xattrs.
Diffstat (limited to 'fs/ocfs2/cluster')
-rw-r--r--fs/ocfs2/cluster/masklog.h35
-rw-r--r--fs/ocfs2/cluster/tcp.c7
2 files changed, 19 insertions, 23 deletions
diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h
index 7e72a81bc2d..696c32e5071 100644
--- a/fs/ocfs2/cluster/masklog.h
+++ b/fs/ocfs2/cluster/masklog.h
@@ -48,34 +48,33 @@
* only emit the appropriage printk() when the caller passes in a constant
* mask, as is almost always the case.
*
- * All this bitmask nonsense is hidden from the /proc interface so that Joel
- * doesn't have an aneurism. Reading the file gives a straight forward
- * indication of which bits are on or off:
- * ENTRY off
- * EXIT off
+ * All this bitmask nonsense is managed from the files under
+ * /sys/fs/o2cb/logmask/. Reading the files gives a straightforward
+ * indication of which bits are allowed (allow) or denied (off/deny).
+ * ENTRY deny
+ * EXIT deny
* TCP off
* MSG off
* SOCKET off
- * ERROR off
- * NOTICE on
+ * ERROR allow
+ * NOTICE allow
*
* Writing changes the state of a given bit and requires a strictly formatted
* single write() call:
*
- * write(fd, "ENTRY on", 8);
+ * write(fd, "allow", 5);
*
- * would turn the entry bit on. "1" is also accepted in the place of "on", and
- * "off" and "0" behave as expected.
+ * Echoing allow/deny/off string into the logmask files can flip the bits
+ * on or off as expected; here is the bash script for example:
*
- * Some trivial shell can flip all the bits on or off:
+ * log_mask="/sys/fs/o2cb/log_mask"
+ * for node in ENTRY EXIT TCP MSG SOCKET ERROR NOTICE; do
+ * echo allow >"$log_mask"/"$node"
+ * done
*
- * log_mask="/proc/fs/ocfs2_nodemanager/log_mask"
- * cat $log_mask | (
- * while read bit status; do
- * # $1 is "on" or "off", say
- * echo "$bit $1" > $log_mask
- * done
- * )
+ * The debugfs.ocfs2 tool can also flip the bits with the -l option:
+ *
+ * debugfs.ocfs2 -l TCP allow
*/
/* for task_struct */
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 9fbe849f634..334f231a422 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -974,7 +974,7 @@ static int o2net_tx_can_proceed(struct o2net_node *nn,
int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *caller_vec,
size_t caller_veclen, u8 target_node, int *status)
{
- int ret, error = 0;
+ int ret;
struct o2net_msg *msg = NULL;
size_t veclen, caller_bytes = 0;
struct kvec *vec = NULL;
@@ -1015,10 +1015,7 @@ int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *caller_vec,
o2net_set_nst_sock_time(&nst);
- ret = wait_event_interruptible(nn->nn_sc_wq,
- o2net_tx_can_proceed(nn, &sc, &error));
- if (!ret && error)
- ret = error;
+ wait_event(nn->nn_sc_wq, o2net_tx_can_proceed(nn, &sc, &ret));
if (ret)
goto out;