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Diffstat (limited to 'Documentation/filesystems/porting.rst')
| -rw-r--r-- | Documentation/filesystems/porting.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/filesystems/porting.rst b/Documentation/filesystems/porting.rst index 79e2c3008289..52ff1d19405b 100644 --- a/Documentation/filesystems/porting.rst +++ b/Documentation/filesystems/porting.rst @@ -1351,3 +1351,13 @@ and do_rmdir()) are gone; they are replaced with non-consuming analogues (filename_renameat2(), etc.) Callers are adjusted - responsibility for dropping the filenames belongs to them now. + +--- + +**mandatory** + +readlink_copy() now requires link length as the 4th argument. Said length needs +to match what strlen() would return if it was ran on the string. + +However, if the string is freely accessible for the duration of inode's +lifetime, consider using inode_set_cached_link() instead. |