diff options
Diffstat (limited to 'fs/xfs/Kconfig')
-rw-r--r-- | fs/xfs/Kconfig | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig index bac27d66151d..236f9cf3714f 100644 --- a/fs/xfs/Kconfig +++ b/fs/xfs/Kconfig | |||
@@ -65,18 +65,19 @@ config XFS_POSIX_ACL | |||
65 | If you don't know what Access Control Lists are, say N. | 65 | If you don't know what Access Control Lists are, say N. |
66 | 66 | ||
67 | config XFS_RT | 67 | config XFS_RT |
68 | bool "XFS Realtime support (EXPERIMENTAL)" | 68 | bool "XFS Realtime subvolume support" |
69 | depends on XFS_FS && EXPERIMENTAL | 69 | depends on XFS_FS |
70 | help | 70 | help |
71 | If you say Y here you will be able to mount and use XFS filesystems | 71 | If you say Y here you will be able to mount and use XFS filesystems |
72 | which contain a realtime subvolume. The realtime subvolume is a | 72 | which contain a realtime subvolume. The realtime subvolume is a |
73 | separate area of disk space where only file data is stored. The | 73 | separate area of disk space where only file data is stored. It was |
74 | realtime subvolume is designed to provide very deterministic | 74 | originally designed to provide deterministic data rates suitable |
75 | data rates suitable for media streaming applications. | 75 | for media streaming applications, but is also useful as a generic |
76 | 76 | mechanism for ensuring data and metadata/log I/Os are completely | |
77 | See the xfs man page in section 5 for a bit more information. | 77 | separated. Regular file I/Os are isolated to a separate device |
78 | from all other requests, and this can be done quite transparently | ||
79 | to applications via the inherit-realtime directory inode flag. | ||
78 | 80 | ||
79 | This feature is unsupported at this time, is not yet fully | 81 | See the xfs man page in section 5 for additional information. |
80 | functional, and may cause serious problems. | ||
81 | 82 | ||
82 | If unsure, say N. | 83 | If unsure, say N. |