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| author | Matthew Wilcox | 2019-02-06 19:07:11 +0100 |
|---|---|---|
| committer | Matthew Wilcox | 2019-02-06 19:12:15 +0100 |
| commit | fd9dc93e36231fb6d520e0edd467058fad4fd12d (patch) | |
| tree | aa7dc07e911ece5d69304e9e4bba1f9b937d8ce2 /Documentation/core-api | |
| parent | XArray: Update xa_erase family descriptions (diff) | |
| download | kernel-qcow2-linux-fd9dc93e36231fb6d520e0edd467058fad4fd12d.tar.gz kernel-qcow2-linux-fd9dc93e36231fb6d520e0edd467058fad4fd12d.tar.xz kernel-qcow2-linux-fd9dc93e36231fb6d520e0edd467058fad4fd12d.zip | |
XArray: Change xa_insert to return -EBUSY
Userspace translates EEXIST to "File exists" which isn't a very good
error message for the problem. "Device or resource busy" is a better
indication of what went wrong.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Diffstat (limited to 'Documentation/core-api')
| -rw-r--r-- | Documentation/core-api/xarray.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/core-api/xarray.rst b/Documentation/core-api/xarray.rst index 5d54b27c6eba..42bb1a62650f 100644 --- a/Documentation/core-api/xarray.rst +++ b/Documentation/core-api/xarray.rst @@ -85,7 +85,7 @@ which was at that index; if it returns the same entry which was passed as If you want to only store a new entry to an index if the current entry at that index is ``NULL``, you can use :c:func:`xa_insert` which -returns ``-EEXIST`` if the entry is not empty. +returns ``-EBUSY`` if the entry is not empty. You can enquire whether a mark is set on an entry by using :c:func:`xa_get_mark`. If the entry is not ``NULL``, you can set a mark |