diff options
| author |   Christoph Hellwig <hch@lst.de> | 2020-09-24 08:51:39 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-09-24 13:43:39 -0600 |
| commit | 823423ef55f4d9c470b1edc9c5b5c93d06abfaae (patch) | |
| tree | f85c2c04432ff06b9123cdc25269c136b10ddd80 /mm | |
| parent | bdi: replace BDI_CAP_STABLE_WRITES with a queue and a sb flag (diff) | |
| download | linux-dev-823423ef55f4d9c470b1edc9c5b5c93d06abfaae.tar.xz linux-dev-823423ef55f4d9c470b1edc9c5b5c93d06abfaae.zip | |
bdi: invert BDI_CAP_NO_ACCT_WB
Replace BDI_CAP_NO_ACCT_WB with a positive BDI_CAP_WRITEBACK_ACCT to
make the checks more obvious. Also remove the pointless
bdi_cap_account_writeback wrapper that just obsfucates the check.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/backing-dev.c | 1 | ||||
| -rw-r--r-- | mm/page-writeback.c | 4 |
2 files changed, 3 insertions, 2 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 8e3802bf03a9..df18f0088dd3 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -745,6 +745,7 @@ struct backing_dev_info *bdi_alloc(int node_id) kfree(bdi); return NULL; } + bdi->capabilities = BDI_CAP_WRITEBACK_ACCT; bdi->ra_pages = VM_READAHEAD_PAGES; bdi->io_pages = VM_READAHEAD_PAGES; return bdi; diff --git a/mm/page-writeback.c b/mm/page-writeback.c index e9c36521461a..0139f9622a92 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2738,7 +2738,7 @@ int test_clear_page_writeback(struct page *page) if (ret) { __xa_clear_mark(&mapping->i_pages, page_index(page), PAGECACHE_TAG_WRITEBACK); - if (bdi_cap_account_writeback(bdi)) { + if (bdi->capabilities & BDI_CAP_WRITEBACK_ACCT) { struct bdi_writeback *wb = inode_to_wb(inode); dec_wb_stat(wb, WB_WRITEBACK); @@ -2791,7 +2791,7 @@ int __test_set_page_writeback(struct page *page, bool keep_write) PAGECACHE_TAG_WRITEBACK); xas_set_mark(&xas, PAGECACHE_TAG_WRITEBACK); - if (bdi_cap_account_writeback(bdi)) + if (bdi->capabilities & BDI_CAP_WRITEBACK_ACCT) inc_wb_stat(inode_to_wb(inode), WB_WRITEBACK); /* |