On 2017/9/10 3:17, Jaegeuk Kim wrote: > In android, we'd better wait for fstrim completion instead of issuing the > discard commands asynchronous. > > Signed-off-by: Jaegeuk Kim <[email protected]>
Reviewed-by: Chao Yu <[email protected]> > --- > fs/f2fs/segment.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c > index f96e61e8ddf7..beb15c834a34 100644 > --- a/fs/f2fs/segment.c > +++ b/fs/f2fs/segment.c > @@ -1076,6 +1076,9 @@ 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; > } > > @@ -1192,7 +1195,7 @@ 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); > @@ -2227,6 +2230,7 @@ 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; > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
