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ext4: convert timers to use timer_setup()

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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Cc: linux-ext4@vger.kernel.org
This commit is contained in:
Kees Cook 2017-10-18 12:45:17 -04:00 committed by Theodore Ts'o
parent e3c957885e
commit 235699a8f4
1 changed files with 5 additions and 9 deletions
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14
fs/ext4/super.c
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@ -2794,14 +2794,11 @@ static int ext4_feature_set_ok(struct super_block *sb, int readonly)
* This function is called once a day if we have errors logged
* on the file system
*/
static void print_daily_error_info(unsigned long arg)
static void print_daily_error_info(struct timer_list *t)
{
struct super_block *sb = (struct super_block *) arg;
struct ext4_sb_info *sbi;
struct ext4_super_block *es;
sbi = EXT4_SB(sb);
es = sbi->s_es;
struct ext4_sb_info *sbi = from_timer(sbi, t, s_err_report);
struct super_block *sb = sbi->s_sb;
struct ext4_super_block *es = sbi->s_es;
if (es->s_error_count)
/* fsck newer than v1.41.13 is needed to clean this condition. */
@ -3988,8 +3985,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
get_random_bytes(&sbi->s_next_generation, sizeof(u32));
spin_lock_init(&sbi->s_next_gen_lock);
setup_timer(&sbi->s_err_report, print_daily_error_info,
(unsigned long) sb);
timer_setup(&sbi->s_err_report, print_daily_error_info, 0);
/* Register extent status tree shrinker */
if (ext4_es_register_shrinker(sbi))