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UPSTREAM: f2fs: do not bother checkpoint by f2fs_get_node_info

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This patch tries to mitigate lock contention between f2fs_write_checkpoint and
f2fs_get_node_info along with nat_tree_lock.

The idea is, if checkpoint is currently running, other threads that try to grab
nat_tree_lock would be better to wait for checkpoint.

Bug: 214413989
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
(cherry picked from commit a9419b63bf414775e8aeee95d8c4a5e0df690748
    git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master)
Change-Id: I7e253e8bf26012e451330ba6ce00bfc3839bdda3
This commit is contained in:
Jaegeuk Kim
2021-12-13 14:16:32 -08:00
committed by Jaegeuk Kim
parent fa055ddfd5
commit 23686f5ee8
11 changed files with 26 additions and 25 deletions
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2
fs/f2fs/inode.c
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@@ -868,7 +868,7 @@ void f2fs_handle_failed_inode(struct inode *inode)
* so we can prevent losing this orphan when encoutering checkpoint
* and following suddenly power-off.
*/
err = f2fs_get_node_info(sbi, inode->i_ino, &ni);
err = f2fs_get_node_info(sbi, inode->i_ino, &ni, false);
if (err) {
set_sbi_flag(sbi, SBI_NEED_FSCK);
f2fs_warn(sbi, "May loss orphan inode, run fsck to fix.");