Kernel+Userland: Support remounting filesystems :^)

This makes it possible to change flags of a mount after the fact, with the caveats outlined in the man page.
Author: https://github.com/bugaevc Commit: 3847d00727 Pull-request: https://github.com/SerenityOS/serenity/pull/2430 Reviewed-by: https://github.com/alimpfard
2025-07-31 13:19:05 +00:00 · 2020-05-28 21:12:13 +03:00 · 2020-05-28 21:12:13 +03:00 · 3847d00727 · 2024-07-19 06:00:22 +09:00
commit 3847d00727
parent d395b93b15
8 changed files with 58 additions and 0 deletions
--- a/Kernel/UnixTypes.h
+++ b/Kernel/UnixTypes.h
@ -53,6 +53,7 @@
 #define MS_NOSUID (1 << 2)
 #define MS_BIND (1 << 3)
 #define MS_RDONLY (1 << 4)
+#define MS_REMOUNT (1 << 5)

 #define PERF_EVENT_MALLOC 1
 #define PERF_EVENT_FREE 2