summaryrefslogtreecommitdiff
path: root/Documentation/filesystems/aufs/README
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /Documentation/filesystems/aufs/README
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'Documentation/filesystems/aufs/README')
-rw-r--r--Documentation/filesystems/aufs/README9
1 files changed, 8 insertions, 1 deletions
diff --git a/Documentation/filesystems/aufs/README b/Documentation/filesystems/aufs/README
index 2915102e0..e827ebfa8 100644
--- a/Documentation/filesystems/aufs/README
+++ b/Documentation/filesystems/aufs/README
@@ -106,7 +106,7 @@ git://git.kernel.org/.../torvalds/linux.git.
And you cannot select CONFIG_AUFS_FS=m for this version, eg. you cannot
build aufs4 as an external kernel module.
Several extra patches are not included in this tree. Only
-aufs4-standalone tree contains them. They are describe in the later
+aufs4-standalone tree contains them. They are described in the later
section "Configuration and Compilation."
On the other hand, the aufs4-standalone tree has only aufs source files
@@ -262,6 +262,13 @@ optional. When you meet some problems, they will help you.
duplication of inode number, which is important for backup tools and
other utilities. When you find aufs XINO files for tmpfs branch
growing too much, try this patch.
+- lockdep-debug.patch
+ Because aufs is not only an ordinary filesystem (callee of VFS), but
+ also a caller of VFS functions for branch filesystems, subclassing of
+ the internal locks for LOCKDEP is necessary. LOCKDEP is a debugging
+ feature of linux kernel. If you enable CONFIG_LOCKDEP, then you will
+ need to apply this debug patch to expand several constant values.
+ If don't know what LOCKDEP, then you don't have apply this patch.
4. Usage