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authorMiklos Szeredi <mszeredi@redhat.com>2016-12-09 16:45:04 +0100
committerMiklos Szeredi <mszeredi@redhat.com>2016-12-09 16:45:04 +0100
commit76fca90e9f3abc82114d9d02d8e14e0324a18ca2 (patch)
tree9dc26cb4603b4c93cd6b5b1bb7b538c30d19e438 /include/linux/fs.h
parentvfs: replace calling i_op->readlink with vfs_readlink() (diff)
downloadlinux-dev-76fca90e9f3abc82114d9d02d8e14e0324a18ca2.tar.xz
linux-dev-76fca90e9f3abc82114d9d02d8e14e0324a18ca2.zip
vfs: default to generic_readlink()
If i_op->readlink is NULL, but i_op->get_link is set then vfs_readlink() defaults to calling generic_readlink(). The IOP_DEFAULT_READLINK flag indicates that the above conditions are met and the default action can be taken. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index eba20d1c068d..f6c206eae6ac 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -595,6 +595,7 @@ is_uncached_acl(struct posix_acl *acl)
#define IOP_LOOKUP 0x0002
#define IOP_NOFOLLOW 0x0004
#define IOP_XATTR 0x0008
+#define IOP_DEFAULT_READLINK 0x0010
/*
* Keep mostly read-only and often accessed (especially for