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[XFS] Minor XFS documentation updates.
Signed-off-by: Nathan Scott <nathans@sgi.com>
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@ -3179,7 +3179,7 @@ XFS FILESYSTEM
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P: Silicon Graphics Inc
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M: xfs-masters@oss.sgi.com
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M: nathans@sgi.com
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L: linux-xfs@oss.sgi.com
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L: xfs@oss.sgi.com
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W: http://oss.sgi.com/projects/xfs
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S: Supported
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@ -65,18 +65,19 @@ config XFS_POSIX_ACL
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If you don't know what Access Control Lists are, say N.
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config XFS_RT
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bool "XFS Realtime support (EXPERIMENTAL)"
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depends on XFS_FS && EXPERIMENTAL
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bool "XFS Realtime subvolume support"
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depends on XFS_FS
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help
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If you say Y here you will be able to mount and use XFS filesystems
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which contain a realtime subvolume. The realtime subvolume is a
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separate area of disk space where only file data is stored. The
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realtime subvolume is designed to provide very deterministic
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data rates suitable for media streaming applications.
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which contain a realtime subvolume. The realtime subvolume is a
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separate area of disk space where only file data is stored. It was
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originally designed to provide deterministic data rates suitable
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for media streaming applications, but is also useful as a generic
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mechanism for ensuring data and metadata/log I/Os are completely
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separated. Regular file I/Os are isolated to a separate device
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from all other requests, and this can be done quite transparently
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to applications via the inherit-realtime directory inode flag.
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See the xfs man page in section 5 for a bit more information.
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This feature is unsupported at this time, is not yet fully
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functional, and may cause serious problems.
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See the xfs man page in section 5 for additional information.
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If unsure, say N.
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