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(parent: 75aceaf) | patch
XArray: Honour reserved entries in xa_insert
authorMatthew Wilcox <willy@infradead.org>
Wed, 2 Jan 2019 18:57:03 +0000 (13:57 -0500)
committerMatthew Wilcox <willy@infradead.org>
Mon, 7 Jan 2019 03:12:58 +0000 (22:12 -0500)
commitacaec0b3bdd08bbc28764450a11d4ad3a5580a38
treef705b58760a60fce2d6f03a934a5038154505c1btree | snapshot
parent75aceaf261d97174e6d8a6d0ac0592b474f178d4commit | diff
XArray: Honour reserved entries in xa_insert

xa_insert() should treat reserved entries as occupied, not as available.
Also, it should treat requests to insert a NULL pointer as a request
to reserve the slot.  Add xa_insert_bh() and xa_insert_irq() for
completeness.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
Documentation/core-api/xarray.rst diff | blob | history
include/linux/xarray.h diff | blob | history
lib/test_xarray.c diff | blob | history
lib/xarray.c diff | blob | history
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