[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen master] rangeset: add rangeset_purge() function
commit 99eeb2eb0b69b65c58e67f669e02004d12ca24f0 Author: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx> AuthorDate: Tue Feb 27 14:56:19 2024 +0100 Commit: Jan Beulich <jbeulich@xxxxxxxx> CommitDate: Tue Feb 27 14:56:19 2024 +0100 rangeset: add rangeset_purge() function This function can be used when user wants to remove all rangeset entries but do not want to destroy rangeset itself. Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx> Signed-off-by: Stewart Hildebrand <stewart.hildebrand@xxxxxxx> Acked-by: Jan Beulich <jbeulich@xxxxxxxx> --- xen/common/rangeset.c | 16 ++++++++++++---- xen/include/xen/rangeset.h | 3 ++- 2 files changed, 14 insertions(+), 5 deletions(-) diff --git a/xen/common/rangeset.c b/xen/common/rangeset.c index 0ccd53caac..b75590f907 100644 --- a/xen/common/rangeset.c +++ b/xen/common/rangeset.c @@ -448,11 +448,20 @@ struct rangeset *rangeset_new( return r; } -void rangeset_destroy( - struct rangeset *r) +void rangeset_purge(struct rangeset *r) { struct range *x; + if ( r == NULL ) + return; + + while ( (x = first_range(r)) != NULL ) + destroy_range(r, x); +} + +void rangeset_destroy( + struct rangeset *r) +{ if ( r == NULL ) return; @@ -463,8 +472,7 @@ void rangeset_destroy( spin_unlock(&r->domain->rangesets_lock); } - while ( (x = first_range(r)) != NULL ) - destroy_range(r, x); + rangeset_purge(r); xfree(r); } diff --git a/xen/include/xen/rangeset.h b/xen/include/xen/rangeset.h index 87bd956962..96c9180825 100644 --- a/xen/include/xen/rangeset.h +++ b/xen/include/xen/rangeset.h @@ -56,7 +56,7 @@ void rangeset_limit( bool __must_check rangeset_is_empty( const struct rangeset *r); -/* Add/claim/remove/query a numeric range. */ +/* Add/claim/remove/query/purge a numeric range. */ int __must_check rangeset_add_range( struct rangeset *r, unsigned long s, unsigned long e); int __must_check rangeset_claim_range(struct rangeset *r, unsigned long size, @@ -70,6 +70,7 @@ bool __must_check rangeset_overlaps_range( int rangeset_report_ranges( struct rangeset *r, unsigned long s, unsigned long e, int (*cb)(unsigned long s, unsigned long e, void *data), void *ctxt); +void rangeset_purge(struct rangeset *r); /* * Note that the consume function can return an error value apart from -- generated by git-patchbot for /home/xen/git/xen.git#master
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