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Commit ea66b381 authored by Paul Lawrence's avatar Paul Lawrence
Browse files

ANDROID: Incremental fs: Add zstd feature flag 



Bug: 174478527
Test: Boot, look for flag
Signed-off-by: default avatarPaul Lawrence <paullawrence@google.com>
Change-Id: Ib573b5420143bd177b50311a3e8cc3a7e8541b96
parent a175946a

fs/incfs/main.c

+9 −0
Original line number Diff line number Diff line
@@ -38,9 +38,18 @@ static ssize_t report_uid_show(struct kobject *kobj, 


static struct kobj_attribute report_uid_attr = __ATTR_RO(report_uid);



static ssize_t zstd_show(struct kobject *kobj,

			       struct kobj_attribute *attr, char *buff)

{

	return snprintf(buff, PAGE_SIZE, "supported\n");

}



static struct kobj_attribute zstd_attr = __ATTR_RO(zstd);



static struct attribute *attributes[] = {

	&corefs_attr.attr,

	&report_uid_attr.attr,

	&zstd_attr.attr,

	NULL,

};

include/uapi/linux/incrementalfs.h

+5 −0
Original line number Diff line number Diff line
@@ -141,6 +141,11 @@ 
 */

#define INCFS_FEATURE_FLAG_REPORT_UID "report_uid"



/*

 * zstd compression support

 */

#define INCFS_FEATURE_FLAG_ZSTD "zstd"



enum incfs_compression_alg {

	COMPRESSION_NONE = 0,

	COMPRESSION_LZ4 = 1,