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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-09-09 21:03:23 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-09-12 02:22:12 +0200 |
| commit | 1eb1ef4a8e9f6a4d9c2c7a645aba21d2f8719728 (patch) | |
| tree | edfb21cfe9da34162191d15c3909acd31ce99040 /fs/f2fs | |
| parent | f2fs: avoid race in between read xattr & write xattr (diff) | |
| download | linux-1eb1ef4a8e9f6a4d9c2c7a645aba21d2f8719728.tar.xz linux-1eb1ef4a8e9f6a4d9c2c7a645aba21d2f8719728.zip | |
f2fs: better to wait for fstrim completion
In android, we'd better wait for fstrim completion instead of issuing the
discard commands asynchronous.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/segment.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 9e708e525ba8..273cc645e502 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -17,6 +17,7 @@ #include <linux/swap.h> #include <linux/timer.h> #include <linux/freezer.h> +#include <linux/sched/signal.h> #include "f2fs.h" #include "segment.h" @@ -1061,6 +1062,9 @@ static int __issue_discard_cmd(struct f2fs_sb_info *sbi, bool issue_cond) if (dcc->pend_list_tag[i] & P_TRIM) { __submit_discard_cmd(sbi, dc); issued++; + + if (fatal_signal_pending(current)) + break; continue; } @@ -1177,7 +1181,7 @@ void stop_discard_thread(struct f2fs_sb_info *sbi) } } -/* This comes from f2fs_put_super */ +/* This comes from f2fs_put_super and f2fs_trim_fs */ void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi) { __issue_discard_cmd(sbi, false); @@ -2212,6 +2216,7 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range) } /* It's time to issue all the filed discards */ mark_discard_range_all(sbi); + f2fs_wait_discard_bios(sbi); out: range->len = F2FS_BLK_TO_BYTES(cpc.trimmed); return err; |