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Diffstat (limited to 'fs/f2fs/segment.c')
-rw-r--r--fs/f2fs/segment.c80
1 files changed, 57 insertions, 23 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 9b79056d705d..aa7fe79b62b2 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -191,8 +191,7 @@ void f2fs_register_inmem_page(struct inode *inode, struct page *page)
f2fs_trace_pid(page);
- set_page_private(page, (unsigned long)ATOMIC_WRITTEN_PAGE);
- SetPagePrivate(page);
+ f2fs_set_page_private(page, (unsigned long)ATOMIC_WRITTEN_PAGE);
new = f2fs_kmem_cache_alloc(inmem_entry_slab, GFP_NOFS);
@@ -215,7 +214,8 @@ void f2fs_register_inmem_page(struct inode *inode, struct page *page)
}
static int __revoke_inmem_pages(struct inode *inode,
- struct list_head *head, bool drop, bool recover)
+ struct list_head *head, bool drop, bool recover,
+ bool trylock)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct inmem_pages *cur, *tmp;
@@ -227,7 +227,16 @@ static int __revoke_inmem_pages(struct inode *inode,
if (drop)
trace_f2fs_commit_inmem_page(page, INMEM_DROP);
- lock_page(page);
+ if (trylock) {
+ /*
+ * to avoid deadlock in between page lock and
+ * inmem_lock.
+ */
+ if (!trylock_page(page))
+ continue;
+ } else {
+ lock_page(page);
+ }
f2fs_wait_on_page_writeback(page, DATA, true, true);
@@ -270,8 +279,7 @@ next:
ClearPageUptodate(page);
clear_cold_data(page);
}
- set_page_private(page, 0);
- ClearPagePrivate(page);
+ f2fs_clear_page_private(page);
f2fs_put_page(page, 1);
list_del(&cur->list);
@@ -318,13 +326,19 @@ void f2fs_drop_inmem_pages(struct inode *inode)
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct f2fs_inode_info *fi = F2FS_I(inode);
- mutex_lock(&fi->inmem_lock);
- __revoke_inmem_pages(inode, &fi->inmem_pages, true, false);
- spin_lock(&sbi->inode_lock[ATOMIC_FILE]);
- if (!list_empty(&fi->inmem_ilist))
- list_del_init(&fi->inmem_ilist);
- spin_unlock(&sbi->inode_lock[ATOMIC_FILE]);
- mutex_unlock(&fi->inmem_lock);
+ while (!list_empty(&fi->inmem_pages)) {
+ mutex_lock(&fi->inmem_lock);
+ __revoke_inmem_pages(inode, &fi->inmem_pages,
+ true, false, true);
+
+ if (list_empty(&fi->inmem_pages)) {
+ spin_lock(&sbi->inode_lock[ATOMIC_FILE]);
+ if (!list_empty(&fi->inmem_ilist))
+ list_del_init(&fi->inmem_ilist);
+ spin_unlock(&sbi->inode_lock[ATOMIC_FILE]);
+ }
+ mutex_unlock(&fi->inmem_lock);
+ }
clear_inode_flag(inode, FI_ATOMIC_FILE);
fi->i_gc_failures[GC_FAILURE_ATOMIC] = 0;
@@ -354,8 +368,7 @@ void f2fs_drop_inmem_page(struct inode *inode, struct page *page)
kmem_cache_free(inmem_entry_slab, cur);
ClearPageUptodate(page);
- set_page_private(page, 0);
- ClearPagePrivate(page);
+ f2fs_clear_page_private(page);
f2fs_put_page(page, 0);
trace_f2fs_commit_inmem_page(page, INMEM_INVALIDATE);
@@ -429,12 +442,15 @@ retry:
* recovery or rewrite & commit last transaction. For other
* error number, revoking was done by filesystem itself.
*/
- err = __revoke_inmem_pages(inode, &revoke_list, false, true);
+ err = __revoke_inmem_pages(inode, &revoke_list,
+ false, true, false);
/* drop all uncommitted pages */
- __revoke_inmem_pages(inode, &fi->inmem_pages, true, false);
+ __revoke_inmem_pages(inode, &fi->inmem_pages,
+ true, false, false);
} else {
- __revoke_inmem_pages(inode, &revoke_list, false, false);
+ __revoke_inmem_pages(inode, &revoke_list,
+ false, false, false);
}
return err;
@@ -542,9 +558,13 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)
static int __submit_flush_wait(struct f2fs_sb_info *sbi,
struct block_device *bdev)
{
- struct bio *bio = f2fs_bio_alloc(sbi, 0, true);
+ struct bio *bio;
int ret;
+ bio = f2fs_bio_alloc(sbi, 0, false);
+ if (!bio)
+ return -ENOMEM;
+
bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH;
bio_set_dev(bio, bdev);
ret = submit_bio_wait(bio);
@@ -868,6 +888,9 @@ int f2fs_disable_cp_again(struct f2fs_sb_info *sbi)
if (holes[DATA] > ovp || holes[NODE] > ovp)
return -EAGAIN;
+ if (is_sbi_flag_set(sbi, SBI_CP_DISABLED_QUICK) &&
+ dirty_segments(sbi) > overprovision_segments(sbi))
+ return -EAGAIN;
return 0;
}
@@ -1037,6 +1060,7 @@ static void __init_discard_policy(struct f2fs_sb_info *sbi,
dpolicy->max_requests = DEF_MAX_DISCARD_REQUEST;
dpolicy->io_aware_gran = MAX_PLIST_NUM;
+ dpolicy->timeout = 0;
if (discard_type == DPOLICY_BG) {
dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;
@@ -1059,6 +1083,8 @@ static void __init_discard_policy(struct f2fs_sb_info *sbi,
} else if (discard_type == DPOLICY_UMOUNT) {
dpolicy->max_requests = UINT_MAX;
dpolicy->io_aware = false;
+ /* we need to issue all to keep CP_TRIMMED_FLAG */
+ dpolicy->granularity = 1;
}
}
@@ -1424,7 +1450,14 @@ static int __issue_discard_cmd(struct f2fs_sb_info *sbi,
int i, issued = 0;
bool io_interrupted = false;
+ if (dpolicy->timeout != 0)
+ f2fs_update_time(sbi, dpolicy->timeout);
+
for (i = MAX_PLIST_NUM - 1; i >= 0; i--) {
+ if (dpolicy->timeout != 0 &&
+ f2fs_time_over(sbi, dpolicy->timeout))
+ break;
+
if (i + 1 < dpolicy->granularity)
break;
@@ -1611,7 +1644,7 @@ void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi)
}
/* This comes from f2fs_put_super */
-bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi)
+bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi)
{
struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
struct discard_policy dpolicy;
@@ -1619,6 +1652,7 @@ bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi)
__init_discard_policy(sbi, &dpolicy, DPOLICY_UMOUNT,
dcc->discard_granularity);
+ dpolicy.timeout = UMOUNT_DISCARD_TIMEOUT;
__issue_discard_cmd(sbi, &dpolicy);
dropped = __drop_discard_cmd(sbi);
@@ -3164,10 +3198,10 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)
stat_inc_inplace_blocks(fio->sbi);
err = f2fs_submit_page_bio(fio);
- if (!err)
+ if (!err) {
update_device_state(fio);
-
- f2fs_update_iostat(fio->sbi, fio->io_type, F2FS_BLKSIZE);
+ f2fs_update_iostat(fio->sbi, fio->io_type, F2FS_BLKSIZE);
+ }
return err;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 19:34:52 +0000