diff options
| author | Jan Kara <jack@suse.cz> | 2023-11-01 18:43:10 +0100 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2023-11-18 14:59:25 +0100 |
| commit | 6f861765464f43a71462d52026fbddfc858239a5 (patch) | |
| tree | 704bd1d5052ed2193678a83a1e8b29be972cac1a /include/linux/blkdev.h | |
| parent | ead622674df5a3ae575b964090bee65f6b7f805f (diff) | |
fs: Block writes to mounted block devices
Ask block layer to block writes to block devices mounted by filesystems.
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20231101174325.10596-5-jack@suse.cz
Reviewed-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 0e0c0186aa32..9f6c3373f9fc 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1494,7 +1494,8 @@ extern const struct blk_holder_ops fs_holder_ops; * as stored in sb->s_flags. */ #define sb_open_mode(flags) \ - (BLK_OPEN_READ | (((flags) & SB_RDONLY) ? 0 : BLK_OPEN_WRITE)) + (BLK_OPEN_READ | BLK_OPEN_RESTRICT_WRITES | \ + (((flags) & SB_RDONLY) ? 0 : BLK_OPEN_WRITE)) struct bdev_handle { struct block_device *bdev; |