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UPSTREAM: f2fs: clear writeback when compression failed

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Let's stop issuing compressed writes and clear their writeback flags.

Bug: 345273844
Reviewed-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Change-Id: I69835bbcf0ac993cc03b11bcd7bdcfa2ff2bbd4a
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
(cherry picked from commit 2174035a7f1148a52f5a3f371f04224168b5b00a)
This commit is contained in:
Jaegeuk Kim
2024-04-05 01:15:42 +00:00
committed by Jaegeuk Kim
parent 7c734edeaa
commit 4c45e2f340
1 changed files with 38 additions and 2 deletions
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40
fs/f2fs/compress.c
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@@ -1029,6 +1029,31 @@ static void set_cluster_writeback(struct compress_ctx *cc)
}
}
static void cancel_cluster_writeback(struct compress_ctx *cc,
struct compress_io_ctx *cic, int submitted)
{
int i;
/* Wait for submitted IOs. */
if (submitted > 1) {
f2fs_submit_merged_write(F2FS_I_SB(cc->inode), DATA);
while (atomic_read(&cic->pending_pages) !=
(cc->valid_nr_cpages - submitted + 1))
f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
}
/* Cancel writeback and stay locked. */
for (i = 0; i < cc->cluster_size; i++) {
if (i < submitted) {
inode_inc_dirty_pages(cc->inode);
lock_page(cc->rpages[i]);
}
clear_page_private_gcing(cc->rpages[i]);
if (folio_test_writeback(page_folio(cc->rpages[i])))
end_page_writeback(cc->rpages[i]);
}
}
static void set_cluster_dirty(struct compress_ctx *cc)
{
int i;
@@ -1230,7 +1255,6 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
.page = NULL,
.encrypted_page = NULL,
.compressed_page = NULL,
.submitted = 0,
.io_type = io_type,
.io_wbc = wbc,
.encrypted = fscrypt_inode_uses_fs_layer_crypto(cc->inode) ?
@@ -1356,7 +1380,16 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
fio.compressed_page = cc->cpages[i - 1];
cc->cpages[i - 1] = NULL;
fio.submitted = 0;
f2fs_outplace_write_data(&dn, &fio);
if (unlikely(!fio.submitted)) {
cancel_cluster_writeback(cc, cic, i);
/* To call fscrypt_finalize_bounce_page */
i = cc->valid_nr_cpages;
*submitted = 0;
goto out_destroy_crypt;
}
(*submitted)++;
unlock_continue:
inode_dec_dirty_pages(cc->inode);
@@ -1392,8 +1425,11 @@ unlock_continue:
out_destroy_crypt:
page_array_free(cc->inode, cic->rpages, cc->cluster_size);
for (--i; i >= 0; i--)
for (--i; i >= 0; i--) {
if (!cc->cpages[i])
continue;
fscrypt_finalize_bounce_page(&cc->cpages[i]);
}
out_put_cic:
kmem_cache_free(cic_entry_slab, cic);
out_put_dnode: