[PATCH 2/9] pidfs: use anon_inode_getattr()

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So far pidfs did use it's own version. Just use the generic version. We
use our own wrappers because we're going to be implementing our own
retrieval properties soon.

Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
---
 fs/pidfs.c | 24 +-----------------------
 1 file changed, 1 insertion(+), 23 deletions(-)

diff --git a/fs/pidfs.c b/fs/pidfs.c
index d64a4cbeb0da..809c3393b6a3 100644
--- a/fs/pidfs.c
+++ b/fs/pidfs.c
@@ -572,33 +572,11 @@ static int pidfs_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
 	return -EOPNOTSUPP;
 }
 
-
-/*
- * User space expects pidfs inodes to have no file type in st_mode.
- *
- * In particular, 'lsof' has this legacy logic:
- *
- *	type = s->st_mode & S_IFMT;
- *	switch (type) {
- *	  ...
- *	case 0:
- *		if (!strcmp(p, "anon_inode"))
- *			Lf->ntype = Ntype = N_ANON_INODE;
- *
- * to detect our old anon_inode logic.
- *
- * Rather than mess with our internal sane inode data, just fix it
- * up here in getattr() by masking off the format bits.
- */
 static int pidfs_getattr(struct mnt_idmap *idmap, const struct path *path,
 			 struct kstat *stat, u32 request_mask,
 			 unsigned int query_flags)
 {
-	struct inode *inode = d_inode(path->dentry);
-
-	generic_fillattr(&nop_mnt_idmap, request_mask, inode, stat);
-	stat->mode &= ~S_IFMT;
-	return 0;
+	return anon_inode_getattr(idmap, path, stat, request_mask, query_flags);
 }
 
 static const struct inode_operations pidfs_inode_operations = {

-- 
2.47.2





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