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new helper: get_tree_keyed()

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For vfs_get_keyed_super users.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2019-09-03 19:05:48 -04:00
parent 1dd9bc08cf
commit 533770cc0a
6 changed files with 20 additions and 9 deletions
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3
ipc/mqueue.c
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@@ -364,8 +364,7 @@ static int mqueue_get_tree(struct fs_context *fc)
{
struct mqueue_fs_context *ctx = fc->fs_private;
fc->s_fs_info = ctx->ipc_ns;
return vfs_get_super(fc, vfs_get_keyed_super, mqueue_fill_super);
return get_tree_keyed(fc, mqueue_fill_super, ctx->ipc_ns);
}
static void mqueue_fs_context_free(struct fs_context *fc)