diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1999-09-28 22:25:29 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 1999-09-28 22:25:29 +0000 |
| commit | 0ae8dceaebe3659ee0c3352c08125f403e77ebca (patch) | |
| tree | 5085c389f09da78182b899d19fe1068b619a69dd /drivers/char/sysrq.c | |
| parent | 273767781288c35c9d679e908672b9996cda4c34 (diff) | |
Merge with 2.3.10.
Diffstat (limited to 'drivers/char/sysrq.c')
| -rw-r--r-- | drivers/char/sysrq.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 574f1b1e9..e6f50ebf1 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -150,15 +150,6 @@ void handle_sysrq(int key, struct pt_regs *pt_regs, /* Aux routines for the syncer */ -static void all_files_read_only(void) /* Kill write permissions of all files */ -{ - struct file *file; - - for (file = inuse_filps; file; file = file->f_next) - if (file->f_dentry && atomic_read(&file->f_count) && S_ISREG(file->f_dentry->d_inode->i_mode)) - file->f_mode &= ~2; -} - static int is_local_disk(kdev_t dev) /* Guess if the device is a local hard drive */ { unsigned int major = MAJOR(dev); @@ -192,6 +183,7 @@ static void go_sync(kdev_t dev, int remount_flag) struct super_block *sb = get_super(dev); struct vfsmount *vfsmnt; int ret, flags; + struct list_head *p; if (!sb) { printk("Superblock not found\n"); @@ -201,6 +193,15 @@ static void go_sync(kdev_t dev, int remount_flag) printk("R/O\n"); return; } + + file_list_lock(); + for (p = sb->s_files.next; p != &sb->s_files; p = p->next) { + struct file *file = list_entry(p, struct file, f_list); + if (file->f_dentry && file_count(file) + && S_ISREG(file->f_dentry->d_inode->i_mode)) + file->f_mode &= ~2; + } + file_list_unlock(); DQUOT_OFF(dev); fsync_dev(dev); flags = MS_RDONLY; @@ -240,9 +241,6 @@ void do_emergency_sync(void) remount_flag = (emergency_sync_scheduled == EMERG_REMOUNT); emergency_sync_scheduled = 0; - if (remount_flag) - all_files_read_only(); - for (mnt = vfsmntlist; mnt; mnt = mnt->mnt_next) if (is_local_disk(mnt->mnt_dev)) go_sync(mnt->mnt_dev, remount_flag); |