Commit 520fc241 authored by Linus Torvalds's avatar Linus Torvalds

Allow writing to the private index file mapping.

We now modify the in-memory copy of the index file in "diff-cache", so
we need to add PROT_WRITE. 
parent b0fe89ca
......@@ -198,7 +198,7 @@ int read_cache(void)
size = st.st_size;
errno = EINVAL;
if (size >= sizeof(struct cache_header) + 20)
map = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
map = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
if (-1 == (int)(long)map)
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