AcoSail/kernel_optimize_test
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6:
  JFS: Fix race waking up jfsIO kernel thread
  JFS: use __set_current_state()
  Copy i_flags to jfs inode flags on write
  JFS: document uid, gid, and umask mount options in jfs.txt
This commit is contained in:
Linus Torvalds 2007-05-08 11:32:30 -07:00
commit 18062a91d2
9 changed files with 38 additions and 9 deletions
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8
Documentation/filesystems/jfs.txt
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@ -29,7 +29,13 @@ errors=continue Keep going on a filesystem error.
errors=remount-ro Default. Remount the filesystem read-only on an error.
errors=panic Panic and halt the machine if an error occurs.
Please send bugs, comments, cards and letters to shaggy@austin.ibm.com.
uid=value Override on-disk uid with specified value
gid=value Override on-disk gid with specified value
umask=value Override on-disk umask with specified octal value. For
directories, the execute bit will be set if the corresponding
read bit is set.
Please send bugs, comments, cards and letters to shaggy@linux.vnet.ibm.com.
The JFS mailing list can be subscribed to by using the link labeled
"Mail list Subscribe" at our web page http://jfs.sourceforge.net/

1
fs/jfs/inode.c
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@ -55,7 +55,6 @@ void jfs_read_inode(struct inode *inode)
inode->i_op = &jfs_file_inode_operations;
init_special_inode(inode, inode->i_mode, inode->i_rdev);
}
jfs_set_inode_flags(inode);
}
/*

2
fs/jfs/ioctl.c
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@ -59,6 +59,7 @@ int jfs_ioctl(struct inode * inode, struct file * filp, unsigned int cmd,
switch (cmd) {
case JFS_IOC_GETFLAGS:
jfs_get_inode_flags(jfs_inode);
flags = jfs_inode->mode2 & JFS_FL_USER_VISIBLE;
flags = jfs_map_ext2(flags, 0);
return put_user(flags, (int __user *) arg);
@ -78,6 +79,7 @@ int jfs_ioctl(struct inode * inode, struct file * filp, unsigned int cmd,
if (!S_ISDIR(inode->i_mode))
flags &= ~JFS_DIRSYNC_FL;
jfs_get_inode_flags(jfs_inode);
oldflags = jfs_inode->mode2;
/*

2
fs/jfs/jfs_imap.c
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@ -3078,6 +3078,7 @@ static int copy_from_dinode(struct dinode * dip, struct inode *ip)
jfs_ip->fileset = le32_to_cpu(dip->di_fileset);
jfs_ip->mode2 = le32_to_cpu(dip->di_mode);
jfs_set_inode_flags(ip);
ip->i_mode = le32_to_cpu(dip->di_mode) & 0xffff;
if (sbi->umask != -1) {
@ -3174,6 +3175,7 @@ static void copy_to_dinode(struct dinode * dip, struct inode *ip)
dip->di_gid = cpu_to_le32(ip->i_gid);
else
dip->di_gid = cpu_to_le32(jfs_ip->saved_gid);
jfs_get_inode_flags(jfs_ip);
/*
* mode2 is only needed for storing the higher order bits.
* Trust i_mode for the lower order ones

18
fs/jfs/jfs_inode.c
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@ -45,6 +45,24 @@ void jfs_set_inode_flags(struct inode *inode)
inode->i_flags |= S_SYNC;
}
void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip)
{
unsigned int flags = jfs_ip->vfs_inode.i_flags;
jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_APPEND_FL | JFS_NOATIME_FL |
JFS_DIRSYNC_FL | JFS_SYNC_FL);
if (flags & S_IMMUTABLE)
jfs_ip->mode2 |= JFS_IMMUTABLE_FL;
if (flags & S_APPEND)
jfs_ip->mode2 |= JFS_APPEND_FL;
if (flags & S_NOATIME)
jfs_ip->mode2 |= JFS_NOATIME_FL;
if (flags & S_DIRSYNC)
jfs_ip->mode2 |= JFS_DIRSYNC_FL;
if (flags & S_SYNC)
jfs_ip->mode2 |= JFS_SYNC_FL;
}
/*
* NAME: ialloc()
*

1
fs/jfs/jfs_inode.h
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@ -31,6 +31,7 @@ extern void jfs_truncate(struct inode *);
extern void jfs_truncate_nolock(struct inode *, loff_t);
extern void jfs_free_zero_link(struct inode *);
extern struct dentry *jfs_get_parent(struct dentry *dentry);
extern void jfs_get_inode_flags(struct jfs_inode_info *);
extern void jfs_set_inode_flags(struct inode *);
extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);

2
fs/jfs/jfs_lock.h
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@ -45,7 +45,7 @@ do { \
io_schedule(); \
lock_cmd; \
} \
current->state = TASK_RUNNING; \
__set_current_state(TASK_RUNNING); \
remove_wait_queue(&wq, &__wait); \
} while (0)

7
fs/jfs/jfs_logmgr.c
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@ -1589,7 +1589,7 @@ void jfs_flush_journal(struct jfs_log *log, int wait)
set_current_state(TASK_UNINTERRUPTIBLE);
LOGGC_UNLOCK(log);
schedule();
current->state = TASK_RUNNING;
__set_current_state(TASK_RUNNING);
LOGGC_LOCK(log);
remove_wait_queue(&target->gcwait, &__wait);
}
@ -2353,14 +2353,15 @@ int jfsIOWait(void *arg)
lbmStartIO(bp);
spin_lock_irq(&log_redrive_lock);
}
spin_unlock_irq(&log_redrive_lock);
if (freezing(current)) {
spin_unlock_irq(&log_redrive_lock);
refrigerator();
} else {
set_current_state(TASK_INTERRUPTIBLE);
spin_unlock_irq(&log_redrive_lock);
schedule();
current->state = TASK_RUNNING;
__set_current_state(TASK_RUNNING);
}
} while (!kthread_should_stop());

6
fs/jfs/jfs_txnmgr.c
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@ -135,7 +135,7 @@ static inline void TXN_SLEEP_DROP_LOCK(wait_queue_head_t * event)
set_current_state(TASK_UNINTERRUPTIBLE);
TXN_UNLOCK();
io_schedule();
current->state = TASK_RUNNING;
__set_current_state(TASK_RUNNING);
remove_wait_queue(event, &wait);
}
@ -2797,7 +2797,7 @@ int jfs_lazycommit(void *arg)
set_current_state(TASK_INTERRUPTIBLE);
LAZY_UNLOCK(flags);
schedule();
current->state = TASK_RUNNING;
__set_current_state(TASK_RUNNING);
remove_wait_queue(&jfs_commit_thread_wait, &wq);
}
} while (!kthread_should_stop());
@ -2989,7 +2989,7 @@ int jfs_sync(void *arg)
set_current_state(TASK_INTERRUPTIBLE);
TXN_UNLOCK();
schedule();
current->state = TASK_RUNNING;
__set_current_state(TASK_RUNNING);
}
} while (!kthread_should_stop());