From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 29 Sep 2017 12:23:17 +0000 (+0200)
Subject: dissect: split list of discard-supporting fs out into mount-util.c
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=c821caff64158792756f7e020c29af11a703685f;p=elogind.git

dissect: split list of discard-supporting fs out into mount-util.c

Let's manage the list of file systems that do a specific thing at one
place, following similar naming.

No functional changes.
---

diff --git a/src/basic/mount-util.c b/src/basic/mount-util.c
index d8850bf83..6e6596d57 100644
--- a/src/basic/mount-util.c
+++ b/src/basic/mount-util.c
@@ -591,6 +591,18 @@ bool fstype_is_ro(const char *fstype) {
         return nulstr_contains(table, fstype);
 }
 
+bool fstype_can_discard(const char *fstype) {
+
+        static const char table[] =
+                "btrfs\0"
+                "ext4\0"
+                "vfat\0"
+                "xfs\0"
+                ;
+
+        return nulstr_contains(table, fstype);
+}
+
 int repeat_unmount(const char *path, int flags) {
         bool done = false;
 
diff --git a/src/basic/mount-util.h b/src/basic/mount-util.h
index 3b026c1b5..5e8b47c84 100644
--- a/src/basic/mount-util.h
+++ b/src/basic/mount-util.h
@@ -50,6 +50,7 @@ bool fstype_is_network(const char *fstype);
 #endif // 0
 bool fstype_is_api_vfs(const char *fstype);
 bool fstype_is_ro(const char *fsype);
+bool fstype_can_discard(const char *fstype);
 
 union file_handle_union {
         struct file_handle handle;