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-rw-r--r--fs/xfs/Kconfig70
1 files changed, 42 insertions, 28 deletions
diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig
index bac27d66151..399e8cec6e6 100644
--- a/fs/xfs/Kconfig
+++ b/fs/xfs/Kconfig
@@ -1,6 +1,8 @@
config XFS_FS
tristate "XFS filesystem support"
- select EXPORTFS if NFSD!=n
+ depends on BLOCK
+ select EXPORTFS
+ select LIBCRC32C
help
XFS is a high performance journaling filesystem which originated
on the SGI IRIX platform. It is completely multi-threaded, can
@@ -18,14 +20,10 @@ config XFS_FS
system of your root partition is compiled as a module, you'll need
to use an initial ramdisk (initrd) to boot.
-config XFS_EXPORT
- bool
- depends on XFS_FS && EXPORTFS
- default y
-
config XFS_QUOTA
bool "XFS Quota support"
depends on XFS_FS
+ select QUOTACTL
help
If you say Y here, you will be able to set limits for disk usage on
a per user and/or a per group basis under XFS. XFS considers quota
@@ -40,21 +38,10 @@ config XFS_QUOTA
with or without the generic quota support enabled (CONFIG_QUOTA) -
they are completely independent subsystems.
-config XFS_SECURITY
- bool "XFS Security Label support"
- depends on XFS_FS
- help
- Security labels support alternative access control models
- implemented by security modules like SELinux. This option
- enables an extended attribute namespace for inode security
- labels in the XFS filesystem.
-
- If you are not using a security module that requires using
- extended attributes for inode security labels, say N.
-
config XFS_POSIX_ACL
bool "XFS POSIX ACL support"
depends on XFS_FS
+ select FS_POSIX_ACL
help
POSIX Access Control Lists (ACLs) support permissions for users and
groups beyond the owner/group/world scheme.
@@ -65,18 +52,45 @@ config XFS_POSIX_ACL
If you don't know what Access Control Lists are, say N.
config XFS_RT
- bool "XFS Realtime support (EXPERIMENTAL)"
- depends on XFS_FS && EXPERIMENTAL
+ bool "XFS Realtime subvolume support"
+ depends on XFS_FS
help
If you say Y here you will be able to mount and use XFS filesystems
- which contain a realtime subvolume. The realtime subvolume is a
- separate area of disk space where only file data is stored. The
- realtime subvolume is designed to provide very deterministic
- data rates suitable for media streaming applications.
+ which contain a realtime subvolume. The realtime subvolume is a
+ separate area of disk space where only file data is stored. It was
+ originally designed to provide deterministic data rates suitable
+ for media streaming applications, but is also useful as a generic
+ mechanism for ensuring data and metadata/log I/Os are completely
+ separated. Regular file I/Os are isolated to a separate device
+ from all other requests, and this can be done quite transparently
+ to applications via the inherit-realtime directory inode flag.
- See the xfs man page in section 5 for a bit more information.
-
- This feature is unsupported at this time, is not yet fully
- functional, and may cause serious problems.
+ See the xfs man page in section 5 for additional information.
If unsure, say N.
+
+config XFS_WARN
+ bool "XFS Verbose Warnings"
+ depends on XFS_FS && !XFS_DEBUG
+ help
+ Say Y here to get an XFS build with many additional warnings.
+ It converts ASSERT checks to WARN, so will log any out-of-bounds
+ conditions that occur that would otherwise be missed. It is much
+ lighter weight than XFS_DEBUG and does not modify algorithms and will
+ not cause the kernel to panic on non-fatal errors.
+
+ However, similar to XFS_DEBUG, it is only advisable to use this if you
+ are debugging a particular problem.
+
+config XFS_DEBUG
+ bool "XFS Debugging support"
+ depends on XFS_FS
+ help
+ Say Y here to get an XFS build with many debugging features,
+ including ASSERT checks, function wrappers around macros,
+ and extra sanity-checking functions in various code paths.
+
+ Note that the resulting code will be HUGE and SLOW, and probably
+ not useful unless you are debugging a particular problem.
+
+ Say N unless you are an XFS developer, or you play one on TV.