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Diffstat (limited to 'fs/f2fs/data.c')
-rw-r--r--fs/f2fs/data.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 916e317ac925..3f33e14dc7f8 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -3023,7 +3023,8 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
{
int ret = 0;
int done = 0, retry = 0;
- struct page *pages[F2FS_ONSTACK_PAGES];
+ struct page *pages_local[F2FS_ONSTACK_PAGES];
+ struct page **pages = pages_local;
struct folio_batch fbatch;
struct f2fs_sb_info *sbi = F2FS_M_SB(mapping);
struct bio *bio = NULL;
@@ -3047,6 +3048,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
#endif
int nr_folios, p, idx;
int nr_pages;
+ unsigned int max_pages = F2FS_ONSTACK_PAGES;
pgoff_t index;
pgoff_t end; /* Inclusive */
pgoff_t done_index;
@@ -3056,6 +3058,15 @@ static int f2fs_write_cache_pages(struct address_space *mapping,
int submitted = 0;
int i;
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ if (f2fs_compressed_file(inode) &&
+ 1 << cc.log_cluster_size > F2FS_ONSTACK_PAGES) {
+ pages = f2fs_kzalloc(sbi, sizeof(struct page *) <<
+ cc.log_cluster_size, GFP_NOFS | __GFP_NOFAIL);
+ max_pages = 1 << cc.log_cluster_size;
+ }
+#endif
+
folio_batch_init(&fbatch);
if (get_dirty_pages(mapping->host) <=
@@ -3101,7 +3112,7 @@ again:
add_more:
pages[nr_pages] = folio_page(folio, idx);
folio_get(folio);
- if (++nr_pages == F2FS_ONSTACK_PAGES) {
+ if (++nr_pages == max_pages) {
index = folio->index + idx + 1;
folio_batch_release(&fbatch);
goto write;
@@ -3283,6 +3294,11 @@ next:
if (bio)
f2fs_submit_merged_ipu_write(sbi, &bio, NULL);
+#ifdef CONFIG_F2FS_FS_COMPRESSION
+ if (pages != pages_local)
+ kfree(pages);
+#endif
+
return ret;
}