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| author | Nishanth Aravamudan <nacc@us.ibm.com> | 2005-09-10 00:27:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-10 10:06:36 -0700 |
| commit | 041e0e3b1970c508dc9a95b7dd9dc86271a7d7ac (patch) | |
| tree | 41ff880a87412cf55eb12425e916fda57955ee5c /fs/xfs | |
| parent | 373016e9e1353f2af871993d27d00768f08cc883 (diff) | |
| download | linux-041e0e3b1970c508dc9a95b7dd9dc86271a7d7ac.tar.gz linux-041e0e3b1970c508dc9a95b7dd9dc86271a7d7ac.tar.bz2 linux-041e0e3b1970c508dc9a95b7dd9dc86271a7d7ac.zip | |
[PATCH] fs: fix-up schedule_timeout() usage
Use schedule_timeout_{,un}interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size. Also use helper
functions to convert between human time units and jiffies rather than constant
HZ division to avoid rounding errors.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/linux-2.6/time.h | 3 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_buf.c | 6 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 12 |
3 files changed, 10 insertions, 11 deletions
diff --git a/fs/xfs/linux-2.6/time.h b/fs/xfs/linux-2.6/time.h index 6c6fd0faa8e1..b0d2873ab274 100644 --- a/fs/xfs/linux-2.6/time.h +++ b/fs/xfs/linux-2.6/time.h @@ -39,8 +39,7 @@ typedef struct timespec timespec_t; static inline void delay(long ticks) { - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(ticks); + schedule_timeout_uninterruptible(ticks); } static inline void nanotime(struct timespec *tvp) diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 655bf4a78afe..e82cf72ac599 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -1780,10 +1780,10 @@ xfsbufd( xfsbufd_force_sleep = 0; } - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout((xfs_buf_timer_centisecs * HZ) / 100); + schedule_timeout_interruptible + (xfs_buf_timer_centisecs * msecs_to_jiffies(10)); - age = (xfs_buf_age_centisecs * HZ) / 100; + age = xfs_buf_age_centisecs * msecs_to_jiffies(10); spin_lock(&pbd_delwrite_lock); list_for_each_entry_safe(pb, n, &pbd_delwrite_queue, pb_list) { PB_TRACE(pb, "walkq1", (long)pagebuf_ispin(pb)); diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 0da87bfc9999..2302454d8d47 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -467,7 +467,7 @@ xfs_flush_inode( igrab(inode); xfs_syncd_queue_work(vfs, inode, xfs_flush_inode_work); - delay(HZ/2); + delay(msecs_to_jiffies(500)); } /* @@ -492,7 +492,7 @@ xfs_flush_device( igrab(inode); xfs_syncd_queue_work(vfs, inode, xfs_flush_device_work); - delay(HZ/2); + delay(msecs_to_jiffies(500)); xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE|XFS_LOG_SYNC); } @@ -520,10 +520,9 @@ xfssyncd( struct vfs_sync_work *work, *n; LIST_HEAD (tmp); - timeleft = (xfs_syncd_centisecs * HZ) / 100; + timeleft = xfs_syncd_centisecs * msecs_to_jiffies(10); for (;;) { - set_current_state(TASK_INTERRUPTIBLE); - timeleft = schedule_timeout(timeleft); + timeleft = schedule_timeout_interruptible(timeleft); /* swsusp */ try_to_freeze(); if (kthread_should_stop()) @@ -537,7 +536,8 @@ xfssyncd( */ if (!timeleft || list_empty(&vfsp->vfs_sync_list)) { if (!timeleft) - timeleft = (xfs_syncd_centisecs * HZ) / 100; + timeleft = xfs_syncd_centisecs * + msecs_to_jiffies(10); INIT_LIST_HEAD(&vfsp->vfs_sync_work.w_list); list_add_tail(&vfsp->vfs_sync_work.w_list, &vfsp->vfs_sync_list); |