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authorLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 16:11:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 16:11:53 -0700
commit3bf03b9a0839c9fb06927ae53ebd0f960b19d408 (patch)
tree06114247eb7760edca7b57cc0108a351ffe1971b /fs/fs-writeback.c
parent3fe2f7446f1e029b220f7f650df6d138f91651f2 (diff)
parent15423a52cc84e23bc11e4a903cd775adc7c6ab00 (diff)
Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton: - A few misc subsystems: kthread, scripts, ntfs, ocfs2, block, and vfs - Most the MM patches which precede the patches in Willy's tree: kasan, pagecache, gup, swap, shmem, memcg, selftests, pagemap, mremap, sparsemem, vmalloc, pagealloc, memory-failure, mlock, hugetlb, userfaultfd, vmscan, compaction, mempolicy, oom-kill, migration, thp, cma, autonuma, psi, ksm, page-poison, madvise, memory-hotplug, rmap, zswap, uaccess, ioremap, highmem, cleanups, kfence, hmm, and damon. * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (227 commits) mm/damon/sysfs: remove repeat container_of() in damon_sysfs_kdamond_release() Docs/ABI/testing: add DAMON sysfs interface ABI document Docs/admin-guide/mm/damon/usage: document DAMON sysfs interface selftests/damon: add a test for DAMON sysfs interface mm/damon/sysfs: support DAMOS stats mm/damon/sysfs: support DAMOS watermarks mm/damon/sysfs: support schemes prioritization mm/damon/sysfs: support DAMOS quotas mm/damon/sysfs: support DAMON-based Operation Schemes mm/damon/sysfs: support the physical address space monitoring mm/damon/sysfs: link DAMON for virtual address spaces monitoring mm/damon: implement a minimal stub for sysfs-based DAMON interface mm/damon/core: add number of each enum type values mm/damon/core: allow non-exclusive DAMON start/stop Docs/damon: update outdated term 'regions update interval' Docs/vm/damon/design: update DAMON-Idle Page Tracking interference handling Docs/vm/damon: call low level monitoring primitives the operations mm/damon: remove unnecessary CONFIG_DAMON option mm/damon/paddr,vaddr: remove damon_{p,v}a_{target_valid,set_operations}() mm/damon/dbgfs-test: fix is_target_id() change ...
Diffstat (limited to 'fs/fs-writeback.c')
-rw-r--r--fs/fs-writeback.c40
1 files changed, 0 insertions, 40 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 33d54c9fbefc..591fe9cf1659 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -894,43 +894,6 @@ void wbc_account_cgroup_owner(struct writeback_control *wbc, struct page *page,
EXPORT_SYMBOL_GPL(wbc_account_cgroup_owner);
/**
- * inode_congested - test whether an inode is congested
- * @inode: inode to test for congestion (may be NULL)
- * @cong_bits: mask of WB_[a]sync_congested bits to test
- *
- * Tests whether @inode is congested. @cong_bits is the mask of congestion
- * bits to test and the return value is the mask of set bits.
- *
- * If cgroup writeback is enabled for @inode, the congestion state is
- * determined by whether the cgwb (cgroup bdi_writeback) for the blkcg
- * associated with @inode is congested; otherwise, the root wb's congestion
- * state is used.
- *
- * @inode is allowed to be NULL as this function is often called on
- * mapping->host which is NULL for the swapper space.
- */
-int inode_congested(struct inode *inode, int cong_bits)
-{
- /*
- * Once set, ->i_wb never becomes NULL while the inode is alive.
- * Start transaction iff ->i_wb is visible.
- */
- if (inode && inode_to_wb_is_valid(inode)) {
- struct bdi_writeback *wb;
- struct wb_lock_cookie lock_cookie = {};
- bool congested;
-
- wb = unlocked_inode_to_wb_begin(inode, &lock_cookie);
- congested = wb_congested(wb, cong_bits);
- unlocked_inode_to_wb_end(inode, &lock_cookie);
- return congested;
- }
-
- return wb_congested(&inode_to_bdi(inode)->wb, cong_bits);
-}
-EXPORT_SYMBOL_GPL(inode_congested);
-
-/**
* wb_split_bdi_pages - split nr_pages to write according to bandwidth
* @wb: target bdi_writeback to split @nr_pages to
* @nr_pages: number of pages to write for the whole bdi
@@ -2233,7 +2196,6 @@ void wb_workfn(struct work_struct *work)
long pages_written;
set_worker_desc("flush-%s", bdi_dev_name(wb->bdi));
- current->flags |= PF_SWAPWRITE;
if (likely(!current_is_workqueue_rescuer() ||
!test_bit(WB_registered, &wb->state))) {
@@ -2262,8 +2224,6 @@ void wb_workfn(struct work_struct *work)
wb_wakeup(wb);
else if (wb_has_dirty_io(wb) && dirty_writeback_interval)
wb_wakeup_delayed(wb);
-
- current->flags &= ~PF_SWAPWRITE;
}
/*