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| author | Jakub Kicinski <[email protected]> | 2023-04-20 23:27:33 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2023-04-20 23:29:51 +0000 |
| commit | 681c5b51dc6b8ff1ec05555243eccf64a08cb2fd (patch) | |
| tree | 713e0523bc617cbda9ff930568dd2341907b87b8 /fs/fs-writeback.c | |
| parent | net: libwx: fix memory leak in wx_setup_rx_resources (diff) | |
| parent | wifi: ath9k: Don't mark channelmap stack variable read-only in ath9k_mci_upda... (diff) | |
| download | kernel-681c5b51dc6b8ff1ec05555243eccf64a08cb2fd.tar.gz kernel-681c5b51dc6b8ff1ec05555243eccf64a08cb2fd.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Adjacent changes:
net/mptcp/protocol.h
63740448a32e ("mptcp: fix accept vs worker race")
2a6a870e44dd ("mptcp: stops worker on unaccepted sockets at listener close")
ddb1a072f858 ("mptcp: move first subflow allocation at mpc access time")
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'fs/fs-writeback.c')
| -rw-r--r-- | fs/fs-writeback.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 195dc23e0d83..1db3e3c24b43 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -978,6 +978,16 @@ restart: continue; } + /* + * If wb_tryget fails, the wb has been shutdown, skip it. + * + * Pin @wb so that it stays on @bdi->wb_list. This allows + * continuing iteration from @wb after dropping and + * regrabbing rcu read lock. + */ + if (!wb_tryget(wb)) + continue; + /* alloc failed, execute synchronously using on-stack fallback */ work = &fallback_work; *work = *base_work; @@ -986,13 +996,6 @@ restart: work->done = &fallback_work_done; wb_queue_work(wb, work); - - /* - * Pin @wb so that it stays on @bdi->wb_list. This allows - * continuing iteration from @wb after dropping and - * regrabbing rcu read lock. - */ - wb_get(wb); last_wb = wb; rcu_read_unlock(); |