PWN-Hunter/android_kernel_xiaomi_sdm845
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ext4: fix lazyinit hang after removing request

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When the request has been removed from the list and no other request
has been issued, we will end up with next wakeup scheduled to
MAX_JIFFY_OFFSET which is bad. So check for that.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Lukas Czerner 2010-11-02 14:07:17 -04:00 committed by Theodore Ts'o
parent c8ddb2713c
commit f4245bd4eb
1 changed files with 2 additions and 1 deletions
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3
fs/ext4/super.c
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@ -2740,7 +2740,8 @@ static int ext4_lazyinit_thread(void *arg)
if (freezing(current))
refrigerator();
if (time_after_eq(jiffies, next_wakeup)) {
if ((time_after_eq(jiffies, next_wakeup)) ||
(MAX_JIFFY_OFFSET == next_wakeup)) {
cond_resched();
continue;
}