config JBD2_DEBUG
bool "JBD2 (ext4dev/ext4) debugging support"
- depends on JBD2
+ depends on JBD2 && DEBUG_FS
help
If you are using the ext4dev/ext4 journaled file system (or
potentially any other filesystem/device using JBD2), this option
By default, the debugging output will be turned off.
If you select Y here, then you will be able to turn on debugging
- with "echo N > /proc/sys/fs/jbd2-debug", where N is a number between
- 1 and 5. The higher the number, the more debugging output is
- generated. To turn debugging off again, do
- "echo 0 > /proc/sys/fs/jbd2-debug".
+ with "echo N > /sys/kernel/debug/jbd2/jbd2-debug", where N is a
+ number between 1 and 5. The higher the number, the more debugging
+ output is generated. To turn debugging off again, do
+ "echo 0 > /sys/kernel/debug/jbd2/jbd2-debug".
config FS_MBCACHE
# Meta block cache for Extended Attributes (ext2/ext3/ext4)
Note: Features which OCFS2 does not support yet:
- extended attributes
- - shared writeable mmap
- - loopback is supported, but data written will not
- be cluster coherent.
- quotas
- cluster aware flock
- Directory change notification (F_NOTIFY)
config HUGETLBFS
bool "HugeTLB file system support"
- depends on X86 || IA64 || PPC64 || SPARC64 || SUPERH || BROKEN
+ depends on X86 || IA64 || PPC64 || SPARC64 || (SUPERH && MMU) || BROKEN
help
hugetlbfs is a filesystem backing for HugeTLB pages, based on
ramfs. For architectures that support it, say Y here and read
Say 'Y' if unsure.
+config JFFS2_LZO
+ bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS
+ select LZO_COMPRESS
+ select LZO_DECOMPRESS
+ depends on JFFS2_FS
+ default n
+ help
+ minilzo-based compression. Generally works better than Zlib.
+
+ This feature was added in July, 2007. Say 'N' if you need
+ compatibility with older bootloaders or kernels.
+
config JFFS2_RTIME
bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
depends on JFFS2_FS
Tries all compressors and chooses the one which has the smallest
result.
+config JFFS2_CMODE_FAVOURLZO
+ bool "Favour LZO"
+ help
+ Tries all compressors and chooses the one which has the smallest
+ result but gives some preference to LZO (which has faster
+ decompression) at the expense of size.
+
endchoice
config CRAMFS
config NFSD_V4
bool "Provide NFSv4 server support (EXPERIMENTAL)"
- depends on NFSD_V3 && EXPERIMENTAL
+ depends on NFSD && NFSD_V3 && EXPERIMENTAL
+ select RPCSEC_GSS_KRB5
help
If you would like to include the NFSv4 server as well as the NFSv2
and NFSv3 servers, say Y here. This feature is experimental, and
config SUNRPC_GSS
tristate
+config SUNRPC_XPRT_RDMA
+ tristate "RDMA transport for sunrpc (EXPERIMENTAL)"
+ depends on SUNRPC && INFINIBAND && EXPERIMENTAL
+ default m
+ help
+ Adds a client RPC transport for supporting kernel NFS over RDMA
+ mounts, including Infiniband and iWARP. Experimental.
+
config SUNRPC_BIND34
bool "Support for rpcbind versions 3 & 4 (EXPERIMENTAL)"
depends on SUNRPC && EXPERIMENTAL
config 9P_FS
tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)"
- depends on INET && EXPERIMENTAL
+ depends on INET && NET_9P && EXPERIMENTAL
help
If you say Y here, you will get experimental support for
Plan 9 resource sharing via the 9P2000 protocol.