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| author | Lukas Czerner <lczerner@redhat.com> | 2013-03-11 06:28:09 +0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2013-03-11 06:28:09 +0400 |
| commit | bb8b20ed94bc69120e31399c43cb336300dea109 (patch) | |
| tree | 29fcf8f8a55124ea700defdf951d23660306127f /fs/ext4/mballoc.c | |
| parent | e3d85c366089015805f175324bb1780249f44669 (diff) | |
| download | linux-bb8b20ed94bc69120e31399c43cb336300dea109.tar.xz | |
ext4: do not use yield()
Using yield() is strongly discouraged (see sched/core.c) especially
since we can just use cond_resched().
Replace all use of yield() with cond_resched().
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/mballoc.c')
| -rw-r--r-- | fs/ext4/mballoc.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 75e05f3a730f..8b2ea9f75004 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -3692,11 +3692,7 @@ repeat: if (free < needed && busy) { busy = 0; ext4_unlock_group(sb, group); - /* - * Yield the CPU here so that we don't get soft lockup - * in non preempt case. - */ - yield(); + cond_resched(); goto repeat; } @@ -4246,7 +4242,7 @@ ext4_fsblk_t ext4_mb_new_blocks(handle_t *handle, ext4_claim_free_clusters(sbi, ar->len, ar->flags)) { /* let others to free the space */ - yield(); + cond_resched(); ar->len = ar->len >> 1; } if (!ar->len) { |