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| author | Miklos Szeredi <mszeredi@redhat.com> | 2016-12-09 16:45:04 +0100 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2016-12-09 16:45:04 +0100 |
| commit | 76fca90e9f3abc82114d9d02d8e14e0324a18ca2 (patch) | |
| tree | 9dc26cb4603b4c93cd6b5b1bb7b538c30d19e438 /Documentation/filesystems/porting | |
| parent | fd4a0edf2a3d781c6ae07d2810776ce22302ee1c (diff) | |
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 'Documentation/filesystems/porting')
| -rw-r--r-- | Documentation/filesystems/porting | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index bdd025ceb763..95280079c0b3 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -596,3 +596,7 @@ in your dentry operations instead. [mandatory] ->rename() has an added flags argument. Any flags not handled by the filesystem should result in EINVAL being returned. +-- +[recommended] + ->readlink is optional for symlinks. Don't set, unless filesystem needs + to fake something for readlink(2). |