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fs: Add Kconfig key for init priority

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Non-configurable init priority POST_KERNEL/99 might
be too late for certain uses cases (e.g. fetching data from
the file system in driver initialization). Chabge it to
be configurable so that applications can mount the
file systems earlies if they want.

Signed-off-by: Miika Karanki <miika.karanki@vaisala.com>
This commit is contained in:
Miika Karanki 2024-01-22 09:57:52 +02:00 committed by Fabio Baltieri
parent 89d4f06c17
commit 8b86645108
3 changed files with 10 additions and 2 deletions
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8
subsys/fs/Kconfig
View file

@ -43,6 +43,14 @@ config FILE_SYSTEM_MAX_FILE_NAME
supported by a file system may result in memory access
violations.
config FILE_SYSTEM_INIT_PRIORITY
int "File system initialization priority"
default 99
help
Specify the initialization priority for file systems. In case
automount is enabled, the initialization should be done after
the underlying storage device is initialized.
config FILE_SYSTEM_SHELL
bool "File system shell"
depends on SHELL

2
subsys/fs/fat_fs.c
View file

@ -527,4 +527,4 @@ static int fatfs_init(void)
return fs_register(FS_FATFS, &fatfs_fs);
}
SYS_INIT(fatfs_init, POST_KERNEL, 99);
SYS_INIT(fatfs_init, POST_KERNEL, CONFIG_FILE_SYSTEM_INIT_PRIORITY);

2
subsys/fs/littlefs_fs.c
View file

@ -1098,4 +1098,4 @@ static int littlefs_init(void)
return rc;
}
SYS_INIT(littlefs_init, POST_KERNEL, 99);
SYS_INIT(littlefs_init, POST_KERNEL, CONFIG_FILE_SYSTEM_INIT_PRIORITY);