diff options
Diffstat (limited to 'fs/reiserfs/super.c')
| -rw-r--r-- | fs/reiserfs/super.c | 74 |
1 files changed, 55 insertions, 19 deletions
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index c07b7d70944..651ce767b55 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -72,20 +72,58 @@ static int reiserfs_sync_fs(struct super_block *s, int wait) if (!journal_begin(&th, s, 1)) if (!journal_end_sync(&th, s, 1)) reiserfs_flush_old_commits(s); - s->s_dirt = 0; /* Even if it's not true. - * We'll loop forever in sync_supers otherwise */ reiserfs_write_unlock(s); return 0; } -static void reiserfs_write_super(struct super_block *s) +static void flush_old_commits(struct work_struct *work) { + struct reiserfs_sb_info *sbi; + struct super_block *s; + + sbi = container_of(work, struct reiserfs_sb_info, old_work.work); + s = sbi->s_journal->j_work_sb; + + spin_lock(&sbi->old_work_lock); + sbi->work_queued = 0; + spin_unlock(&sbi->old_work_lock); + reiserfs_sync_fs(s, 1); } +void reiserfs_schedule_old_flush(struct super_block *s) +{ + struct reiserfs_sb_info *sbi = REISERFS_SB(s); + unsigned long delay; + + if (s->s_flags & MS_RDONLY) + return; + + spin_lock(&sbi->old_work_lock); + if (!sbi->work_queued) { + delay = msecs_to_jiffies(dirty_writeback_interval * 10); + queue_delayed_work(system_long_wq, &sbi->old_work, delay); + sbi->work_queued = 1; + } + spin_unlock(&sbi->old_work_lock); +} + +static void cancel_old_flush(struct super_block *s) +{ + struct reiserfs_sb_info *sbi = REISERFS_SB(s); + + cancel_delayed_work_sync(&REISERFS_SB(s)->old_work); + spin_lock(&sbi->old_work_lock); + sbi->work_queued = 0; + spin_unlock(&sbi->old_work_lock); +} + static int reiserfs_freeze(struct super_block *s) { struct reiserfs_transaction_handle th; + + cancel_old_flush(s); + reiserfs_write_lock(s); if (!(s->s_flags & MS_RDONLY)) { int err = journal_begin(&th, s, 1); @@ -99,7 +137,6 @@ static int reiserfs_freeze(struct super_block *s) journal_end_sync(&th, s, 1); } } - s->s_dirt = 0; reiserfs_write_unlock(s); return 0; } @@ -483,9 +520,6 @@ static void reiserfs_put_super(struct super_block *s) reiserfs_write_lock(s); - if (s->s_dirt) - reiserfs_write_super(s); - /* change file system state to current state if it was mounted with read-write permissions */ if (!(s->s_flags & MS_RDONLY)) { if (!journal_begin(&th, s, 10)) { @@ -692,7 +726,6 @@ static const struct super_operations reiserfs_sops = { .dirty_inode = reiserfs_dirty_inode, .evict_inode = reiserfs_evict_inode, .put_super = reiserfs_put_super, - .write_super = reiserfs_write_super, .sync_fs = reiserfs_sync_fs, .freeze_fs = reiserfs_freeze, .unfreeze_fs = reiserfs_unfreeze, @@ -1400,7 +1433,6 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg) err = journal_end(&th, s, 10); if (err) goto out_err; - s->s_dirt = 0; if (!(*mount_flags & MS_RDONLY)) { dquot_resume(s, -1); @@ -1730,19 +1762,21 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) return -ENOMEM; s->s_fs_info = sbi; /* Set default values for options: non-aggressive tails, RO on errors */ - REISERFS_SB(s)->s_mount_opt |= (1 << REISERFS_SMALLTAIL); - REISERFS_SB(s)->s_mount_opt |= (1 << REISERFS_ERROR_RO); - REISERFS_SB(s)->s_mount_opt |= (1 << REISERFS_BARRIER_FLUSH); + sbi->s_mount_opt |= (1 << REISERFS_SMALLTAIL); + sbi->s_mount_opt |= (1 << REISERFS_ERROR_RO); + sbi->s_mount_opt |= (1 << REISERFS_BARRIER_FLUSH); /* no preallocation minimum, be smart in reiserfs_file_write instead */ - REISERFS_SB(s)->s_alloc_options.preallocmin = 0; + sbi->s_alloc_options.preallocmin = 0; /* Preallocate by 16 blocks (17-1) at once */ - REISERFS_SB(s)->s_alloc_options.preallocsize = 17; + sbi->s_alloc_options.preallocsize = 17; /* setup default block allocator options */ reiserfs_init_alloc_options(s); - mutex_init(&REISERFS_SB(s)->lock); - REISERFS_SB(s)->lock_depth = -1; + spin_lock_init(&sbi->old_work_lock); + INIT_DELAYED_WORK(&sbi->old_work, flush_old_commits); + mutex_init(&sbi->lock); + sbi->lock_depth = -1; jdev_name = NULL; if (reiserfs_parse_options @@ -1751,8 +1785,8 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) goto error_unlocked; } if (jdev_name && jdev_name[0]) { - REISERFS_SB(s)->s_jdev = kstrdup(jdev_name, GFP_KERNEL); - if (!REISERFS_SB(s)->s_jdev) { + sbi->s_jdev = kstrdup(jdev_name, GFP_KERNEL); + if (!sbi->s_jdev) { SWARN(silent, s, "", "Cannot allocate memory for " "journal device name"); goto error; @@ -1810,7 +1844,7 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) /* make data=ordered the default */ if (!reiserfs_data_log(s) && !reiserfs_data_ordered(s) && !reiserfs_data_writeback(s)) { - REISERFS_SB(s)->s_mount_opt |= (1 << REISERFS_DATA_ORDERED); + sbi->s_mount_opt |= (1 << REISERFS_DATA_ORDERED); } if (reiserfs_data_log(s)) { @@ -2003,6 +2037,8 @@ error_unlocked: reiserfs_write_unlock(s); } + cancel_delayed_work_sync(&REISERFS_SB(s)->old_work); + reiserfs_free_bitmap_cache(s); if (SB_BUFFER_WITH_SB(s)) brelse(SB_BUFFER_WITH_SB(s)); |