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authorAmit Pundir <amit.pundir@linaro.org>2016-11-15 18:16:35 +0530
committerAmit Pundir <amit.pundir@linaro.org>2016-11-15 18:33:34 +0530
commit91e63c11a5eb143f5d737cf0380088528e7fa327 (patch)
tree34f5b35edf45c51b9a4d3aa5b04313d97be97754 /fs/btrfs/tree-log.c
parent79df8fa79b6a2aced892ad2b2c9832e7d9bdea6b (diff)
parent29703588215bbf281aed9aa8cdec0641757fb9e1 (diff)
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android
Conflicts: * arch/arm64/include/asm/assembler.h Pick changes from AOSP Change-Id: I450594dc311b09b6b832b707a9abb357608cc6e4 ("UPSTREAM: arm64: include alternative handling in dcache_by_line_op"). * drivers/android/binder.c Pick changes from LTS commit 14f09e8e7cd8 ("ANDROID: binder: Add strong ref checks"), instead of AOSP Change-Id: I66c15b066808f28bd27bfe50fd0e03ff45a09fca ("ANDROID: binder: Add strong ref checks"). * drivers/usb/gadget/function/u_ether.c Refactor throttling of highspeed IRQ logic in AOSP by adding a check for last queue request as intended by LTS commit 660c04e8f174 ("usb: gadget: function: u_ether: don't starve tx request queue"). Fixes AOSP Change-Id: I26515bfd9bbc8f7af38be7835692143f7093118a ("USB: gadget: u_ether: Fix data stall issue in RNDIS tethering mode"). Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Diffstat (limited to 'fs/btrfs/tree-log.c')
-rw-r--r--fs/btrfs/tree-log.c20
1 files changed, 6 insertions, 14 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 1415f6d58633..f7441193bf35 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -2696,14 +2696,12 @@ static inline void btrfs_remove_all_log_ctxs(struct btrfs_root *root,
int index, int error)
{
struct btrfs_log_ctx *ctx;
+ struct btrfs_log_ctx *safe;
- if (!error) {
- INIT_LIST_HEAD(&root->log_ctxs[index]);
- return;
- }
-
- list_for_each_entry(ctx, &root->log_ctxs[index], list)
+ list_for_each_entry_safe(ctx, safe, &root->log_ctxs[index], list) {
+ list_del_init(&ctx->list);
ctx->log_ret = error;
+ }
INIT_LIST_HEAD(&root->log_ctxs[index]);
}
@@ -2944,13 +2942,9 @@ int btrfs_sync_log(struct btrfs_trans_handle *trans,
mutex_unlock(&root->log_mutex);
out_wake_log_root:
- /*
- * We needn't get log_mutex here because we are sure all
- * the other tasks are blocked.
- */
+ mutex_lock(&log_root_tree->log_mutex);
btrfs_remove_all_log_ctxs(log_root_tree, index2, ret);
- mutex_lock(&log_root_tree->log_mutex);
log_root_tree->log_transid_committed++;
atomic_set(&log_root_tree->log_commit[index2], 0);
mutex_unlock(&log_root_tree->log_mutex);
@@ -2961,10 +2955,8 @@ out_wake_log_root:
if (waitqueue_active(&log_root_tree->log_commit_wait[index2]))
wake_up(&log_root_tree->log_commit_wait[index2]);
out:
- /* See above. */
- btrfs_remove_all_log_ctxs(root, index1, ret);
-
mutex_lock(&root->log_mutex);
+ btrfs_remove_all_log_ctxs(root, index1, ret);
root->log_transid_committed++;
atomic_set(&root->log_commit[index1], 0);
mutex_unlock(&root->log_mutex);