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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-12 12:28:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-12 12:28:32 -0700 |
| commit | 7214dd4ea9048d2031e14fc552980cecd6573a9e (patch) | |
| tree | 18c9ba52d252d29fcfe7d73d9c78205b285f91d0 /fs/buffer.c | |
| parent | 19e8a2f875a56009c0ce30389964aca452a85510 (diff) | |
| parent | 08fdc8a0138afaf324296a342f32ad26ec465e43 (diff) | |
Merge branch 'work.thaw' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs thaw updates from Al Viro:
"An ancient series that has fallen through the cracks in the previous
cycle"
* 'work.thaw' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
buffer.c: call thaw_super during emergency thaw
vfs: factor sb iteration out of do_emergency_remount
Diffstat (limited to 'fs/buffer.c')
| -rw-r--r-- | fs/buffer.c | 25 |
1 files changed, 1 insertions, 24 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index f3491074b035..249b83fafe48 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -494,35 +494,12 @@ repeat: return err; } -static void do_thaw_one(struct super_block *sb, void *unused) +void emergency_thaw_bdev(struct super_block *sb) { while (sb->s_bdev && !thaw_bdev(sb->s_bdev, sb)) printk(KERN_WARNING "Emergency Thaw on %pg\n", sb->s_bdev); } -static void do_thaw_all(struct work_struct *work) -{ - iterate_supers(do_thaw_one, NULL); - kfree(work); - printk(KERN_WARNING "Emergency Thaw complete\n"); -} - -/** - * emergency_thaw_all -- forcibly thaw every frozen filesystem - * - * Used for emergency unfreeze of all filesystems via SysRq - */ -void emergency_thaw_all(void) -{ - struct work_struct *work; - - work = kmalloc(sizeof(*work), GFP_ATOMIC); - if (work) { - INIT_WORK(work, do_thaw_all); - schedule_work(work); - } -} - /** * sync_mapping_buffers - write out & wait upon a mapping's "associated" buffers * @mapping: the mapping which wants those buffers written |