diff options
| author | Christoph Hellwig <hch@lst.de> | 2023-05-31 15:55:22 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-06-05 19:55:20 +0300 |
| commit | 3701c600a3e735b9fbac6f7a73e4c086090c97ca (patch) | |
| tree | 48995fd55af5becc6ca06e3882d586e5d217aa93 /init | |
| parent | 07d63cbb67cdb5e2a7720fdd8579b3be979c2d66 (diff) | |
| download | linux-3701c600a3e735b9fbac6f7a73e4c086090c97ca.tar.xz | |
init: factor the root_wait logic in prepare_namespace into a helper
The root_wait logic is a bit obsfucated right now. Expand it and move it
into a helper.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230531125535.676098-12-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'init')
| -rw-r--r-- | init/do_mounts.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/init/do_mounts.c b/init/do_mounts.c index be6d14733ba0..d5c06c1546e8 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -606,6 +606,26 @@ void __init mount_root(char *root_device_name) } } +/* wait for any asynchronous scanning to complete */ +static void __init wait_for_root(char *root_device_name) +{ + if (ROOT_DEV != 0) + return; + + pr_info("Waiting for root device %s...\n", root_device_name); + + for (;;) { + if (driver_probe_done()) { + ROOT_DEV = name_to_dev_t(root_device_name); + if (ROOT_DEV) + break; + } + msleep(5); + } + async_synchronize_full(); + +} + static dev_t __init parse_root_device(char *root_device_name) { if (!strncmp(root_device_name, "mtd", 3) || @@ -642,16 +662,8 @@ void __init prepare_namespace(void) if (initrd_load(saved_root_name)) goto out; - /* wait for any asynchronous scanning to complete */ - if ((ROOT_DEV == 0) && root_wait) { - printk(KERN_INFO "Waiting for root device %s...\n", - saved_root_name); - while (!driver_probe_done() || - (ROOT_DEV = name_to_dev_t(saved_root_name)) == 0) - msleep(5); - async_synchronize_full(); - } - + if (root_wait) + wait_for_root(saved_root_name); mount_root(saved_root_name); out: devtmpfs_mount(); |