[Just adding the origefs maintainer to the cc list]
On Thu, 10 Dec 2015 11:18:47 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Hi Al,
>
> After merging the vfs tree, today's linux-next build (x86_64 allmodconfig)
> failed like this:
>
> fs/orangefs/symlink.c:26:2: error: unknown field 'follow_link' specified in initializer
> .follow_link = pvfs2_follow_link,
> ^
> fs/orangefs/symlink.c:26:17: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types]
> .follow_link = pvfs2_follow_link,
> ^
> fs/orangefs/symlink.c:26:17: note: (near initialization for 'pvfs2_symlink_inode_operations.put_link')
>
> Caused by commit
>
> 6b2553918d8b ("replace ->follow_link() with new method that could stay in RCU mode")
>
> [I wish there was some way to stage these API changes :-(]
>
> I applied the following merge fix patch (which may need more work):
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Thu, 10 Dec 2015 11:12:36 +1100
> Subject: [PATCH] orangfs: update for follow_link to get_link change
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> fs/orangefs/symlink.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/fs/orangefs/symlink.c b/fs/orangefs/symlink.c
> index 2adfceff7730..dbf24a98a3c9 100644
> --- a/fs/orangefs/symlink.c
> +++ b/fs/orangefs/symlink.c
> @@ -8,9 +8,15 @@
> #include "pvfs2-kernel.h"
> #include "pvfs2-bufmap.h"
>
> -static const char *pvfs2_follow_link(struct dentry *dentry, void **cookie)
> +static const char *pvfs2_get_link(struct dentry *dentry, struct inode *inode,
> + void **cookie)
> {
> - char *target = PVFS2_I(dentry->d_inode)->link_target;
> + char *target;
> +
> + if (!dentry)
> + return ERR_PTR(-ECHILD);
> +
> + target = PVFS2_I(inode)->link_target;
>
> gossip_debug(GOSSIP_INODE_DEBUG,
> "%s: called on %s (target is %p)\n",
> @@ -23,7 +29,7 @@ static const char *pvfs2_follow_link(struct dentry *dentry, void **cookie)
>
> struct inode_operations pvfs2_symlink_inode_operations = {
> .readlink = generic_readlink,
> - .follow_link = pvfs2_follow_link,
> + .get_link = pvfs2_get_link,
> .setattr = pvfs2_setattr,
> .getattr = pvfs2_getattr,
> .listxattr = pvfs2_listxattr,
> --
> 2.6.2
--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
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