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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-26 12:42:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-26 12:42:41 -0800 |
| commit | 6b8f9159166545e576b2bc8a0c984beaeae9cc05 (patch) | |
| tree | 6be248cacde030276ad7da750e71a1401d87bd51 /mm | |
| parent | Merge tag 'mmc-v5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc (diff) | |
| parent | block: Fix comment typo (diff) | |
| download | linux-dev-6b8f9159166545e576b2bc8a0c984beaeae9cc05.tar.xz linux-dev-6b8f9159166545e576b2bc8a0c984beaeae9cc05.zip | |
Merge tag 'for-linus-20190125' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A collection of fixes for this release. This contains:
- Silence sparse rightfully complaining about non-static wbt
functions (Bart)
- Fixes for the zoned comments/ioctl documentation (Damien)
- direct-io fix that's been lingering for a while (Ernesto)
- cgroup writeback fix (Tejun)
- Set of NVMe patches for nvme-rdma/tcp (Sagi, Hannes, Raju)
- Block recursion tracking fix (Ming)
- Fix debugfs command flag naming for a few flags (Jianchao)"
* tag 'for-linus-20190125' of git://git.kernel.dk/linux-block:
block: Fix comment typo
uapi: fix ioctl documentation
blk-wbt: Declare local functions static
blk-mq: fix the cmd_flag_name array
nvme-multipath: drop optimization for static ANA group IDs
nvmet-rdma: fix null dereference under heavy load
nvme-rdma: rework queue maps handling
nvme-tcp: fix timeout handler
nvme-rdma: fix timeout handler
writeback: synchronize sync(2) against cgroup writeback membership switches
block: cover another queue enter recursion via BIO_QUEUE_ENTERED
direct-io: allow direct writes to empty inodes
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/backing-dev.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 8a8bb8796c6c..72e6d0c55cfa 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -689,6 +689,7 @@ static int cgwb_bdi_init(struct backing_dev_info *bdi) INIT_RADIX_TREE(&bdi->cgwb_tree, GFP_ATOMIC); bdi->cgwb_congested_tree = RB_ROOT; mutex_init(&bdi->cgwb_release_mutex); + init_rwsem(&bdi->wb_switch_rwsem); ret = wb_init(&bdi->wb, bdi, 1, GFP_KERNEL); if (!ret) { |