diff options
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 9a034ca60..02a2b2758 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -635,6 +635,7 @@ int blkdev_put(struct block_device *bdev, int kind) kdev_t rdev = to_kdev_t(bdev->bd_dev); /* this should become bdev */ down(&bdev->bd_sem); /* syncing will go here */ + lock_kernel(); if (kind == BDEV_FILE || kind == BDEV_FS) fsync_dev(rdev); if (atomic_dec_and_test(&bdev->bd_openers)) { @@ -653,6 +654,7 @@ int blkdev_put(struct block_device *bdev, int kind) if (!atomic_read(&bdev->bd_openers)) bdev->bd_op = NULL; /* we can't rely on driver being */ /* kind to stay around. */ + unlock_kernel(); up(&bdev->bd_sem); return ret; } |