RepoMirrors
/
mars
mirror of https://github.com/schoebel/mars
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

mapfree: compute dirty regions when unshared

This commit is contained in:
Thomas Schoebel-Theuer 2021-07-12 11:46:06 +02:00
parent ab6036de76
commit 98b4599986
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
kernel/lib_mapfree.c
View File

@ -478,8 +478,10 @@ loff_t mf_get_any_dirty(const char *filename, int stage)
tmp = tmp->next) { tmp = tmp->next) {
struct mapfree_info *mf = container_of(tmp, struct mapfree_info, mf_head); struct mapfree_info *mf = container_of(tmp, struct mapfree_info, mf_head);
if (!strcmp(mf->mf_name, filename)) { if (!strcmp(mf->mf_name, filename)) {
res = mf_dirty_length(mf, stage); loff_t len = mf_dirty_length(mf, stage);
break;
if (len > res)
res = len;
} }
} }
up_read(&mf_table[hash].hash_mutex); up_read(&mf_table[hash].hash_mutex);