diff options
author | Gao Xiang <hsiangkao@linux.alibaba.com> | 2022-03-10 21:27:43 +0300 |
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committer | Gao Xiang <hsiangkao@linux.alibaba.com> | 2022-03-16 19:09:02 +0300 |
commit | 9f2731d6338a072b60ab1d9340847bde3306614b (patch) | |
tree | 5796e4b83d801334da919cef0b387bae64a3d0c6 /fs/erofs | |
parent | ab474fccd04509db89fde8d3b28c39aa9a47db64 (diff) |
erofs: refine managed inode stuffs
Set up the correct gfp mask and use it instead of hard coding.
Also add comments about .invalidatepage() to show more details.
Link: https://lore.kernel.org/r/20220310182743.102365-2-hsiangkao@linux.alibaba.com
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Diffstat (limited to 'fs/erofs')
-rw-r--r-- | fs/erofs/super.c | 8 | ||||
-rw-r--r-- | fs/erofs/zdata.c | 7 |
2 files changed, 9 insertions, 6 deletions
diff --git a/fs/erofs/super.c b/fs/erofs/super.c index 12755217631f..e178100c162a 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -532,6 +532,11 @@ static int erofs_managed_cache_releasepage(struct page *page, gfp_t gfp_mask) return ret; } +/* + * It will be called only on inode eviction. In case that there are still some + * decompression requests in progress, wait with rescheduling for a bit here. + * We could introduce an extra locking instead but it seems unnecessary. + */ static void erofs_managed_cache_invalidatepage(struct page *page, unsigned int offset, unsigned int length) @@ -565,8 +570,7 @@ static int erofs_init_managed_cache(struct super_block *sb) inode->i_size = OFFSET_MAX; inode->i_mapping->a_ops = &managed_cache_aops; - mapping_set_gfp_mask(inode->i_mapping, - GFP_NOFS | __GFP_HIGHMEM | __GFP_MOVABLE); + mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); sbi->managed_cache = inode; return 0; } diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c index 59aecf42e45c..f5e17c03b2fb 100644 --- a/fs/erofs/zdata.c +++ b/fs/erofs/zdata.c @@ -1091,10 +1091,10 @@ static void z_erofs_decompress_kickoff(struct z_erofs_decompressqueue *io, static struct page *pickup_page_for_submission(struct z_erofs_pcluster *pcl, unsigned int nr, struct page **pagepool, - struct address_space *mc, - gfp_t gfp) + struct address_space *mc) { const pgoff_t index = pcl->obj.index; + gfp_t gfp = mapping_gfp_mask(mc); bool tocache = false; struct address_space *mapping; @@ -1350,8 +1350,7 @@ static void z_erofs_submit_queue(struct super_block *sb, struct page *page; page = pickup_page_for_submission(pcl, i++, pagepool, - MNGD_MAPPING(sbi), - GFP_NOFS); + MNGD_MAPPING(sbi)); if (!page) continue; |