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fs/read_write: Do not export __kernel_write() to the entire world

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Since we have EXPORT_SYMBOL_FOR_MODULES(), we may narrow
the __kernel_write() export to the only which really needs it.
With that being done, update the respective comment.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260604095233.284067-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
This commit is contained in:
Andy Shevchenko
2026-06-05 14:46:20 +02:00
committed by Christian Brauner
parent f1f63c8967
commit 1a571226cb
1 changed files with 2 additions and 3 deletions
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fs/read_write.c
+2 -3
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@@ -641,13 +641,12 @@ ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t
return __kernel_write_iter(file, &iter, pos);
}
/*
* This "EXPORT_SYMBOL_GPL()" is more of a "EXPORT_SYMBOL_DONTUSE()",
* but autofs is one of the few internal kernel users that actually
* autofs is one of the few internal kernel users that actually
* wants this _and_ can be built as a module. So we need to export
* this symbol for autofs, even though it really isn't appropriate
* for any other kernel modules.
*/
EXPORT_SYMBOL_GPL(__kernel_write);
EXPORT_SYMBOL_FOR_MODULES(__kernel_write, "autofs4");
ssize_t kernel_write(struct file *file, const void *buf, size_t count,
loff_t *pos)