We already have a helper for getting xattrs from inodes, namely
ovl_getxattr, but it doesn't allow for copying xattrs onto the current
stack. In addition, it is not instrumented like the rest of the helpers.
Signed-off-by: Sargun Dhillon <sargun@xxxxxxxxx>
Cc: linux-fsdevel@xxxxxxxxxxxxxxx
Cc: linux-unionfs@xxxxxxxxxxxxxxx
Cc: Miklos Szeredi <miklos@xxxxxxxxxx>
Cc: Amir Goldstein <amir73il@xxxxxxxxx>
---
fs/overlayfs/overlayfs.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index 29bc1ec699e7..9eb911f243e1 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -179,6 +179,15 @@ static inline int ovl_do_setxattr(struct dentry *dentry, const char *name,
return err;
}
+static inline int ovl_do_getxattr(struct dentry *dentry, const char *name,
+ void *value, size_t size)
+{
+ int err = vfs_getxattr(dentry, name, value, size);
+ pr_debug("getxattr(%pd2, \"%s\", \"%*pE\", %zu) = %i\n",
+ dentry, name, min((int)size, 48), value, size, err);
+ return err;
+}
+
static inline int ovl_do_removexattr(struct dentry *dentry, const char *name)
{
int err = vfs_removexattr(dentry, name);
--
2.25.1
