aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/xarray.h
diff options
context:
space:
mode:
authorMatthew Wilcox <willy@infradead.org>2019-02-06 13:07:11 -0500
committerMatthew Wilcox <willy@infradead.org>2019-02-06 13:12:15 -0500
commitfd9dc93e36231fb6d520e0edd467058fad4fd12d (patch)
treeaa7dc07e911ece5d69304e9e4bba1f9b937d8ce2 /include/linux/xarray.h
parentXArray: Update xa_erase family descriptions (diff)
downloadlinux-dev-fd9dc93e36231fb6d520e0edd467058fad4fd12d.tar.xz
linux-dev-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 'include/linux/xarray.h')
-rw-r--r--include/linux/xarray.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/xarray.h b/include/linux/xarray.h
index e11841537631..57cf35c4d094 100644
--- a/include/linux/xarray.h
+++ b/include/linux/xarray.h
@@ -664,7 +664,7 @@ static inline void *xa_cmpxchg_irq(struct xarray *xa, unsigned long index,
*
* Context: Any context. Takes and releases the xa_lock. May sleep if
* the @gfp flags permit.
- * Return: 0 if the store succeeded. -EEXIST if another entry was present.
+ * Return: 0 if the store succeeded. -EBUSY if another entry was present.
* -ENOMEM if memory could not be allocated.
*/
static inline int xa_insert(struct xarray *xa, unsigned long index,
@@ -693,7 +693,7 @@ static inline int xa_insert(struct xarray *xa, unsigned long index,
*
* Context: Any context. Takes and releases the xa_lock while
* disabling softirqs. May sleep if the @gfp flags permit.
- * Return: 0 if the store succeeded. -EEXIST if another entry was present.
+ * Return: 0 if the store succeeded. -EBUSY if another entry was present.
* -ENOMEM if memory could not be allocated.
*/
static inline int xa_insert_bh(struct xarray *xa, unsigned long index,
@@ -722,7 +722,7 @@ static inline int xa_insert_bh(struct xarray *xa, unsigned long index,
*
* Context: Process context. Takes and releases the xa_lock while
* disabling interrupts. May sleep if the @gfp flags permit.
- * Return: 0 if the store succeeded. -EEXIST if another entry was present.
+ * Return: 0 if the store succeeded. -EBUSY if another entry was present.
* -ENOMEM if memory could not be allocated.
*/
static inline int xa_insert_irq(struct xarray *xa, unsigned long index,