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attr.7: Btrfs also supports extended attributes
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -51,8 +51,8 @@ Writing replaces any previous value with the new value.
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Space consumed for extended attributes is counted towards the disk quotas
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of the file owner and file group.
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.PP
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Currently, support for extended attributes is implemented on Linux by the
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ext2, ext3, ext4, XFS, JFS and Reiserfs filesystems.
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Currently, the filesystems that support extended attributes include
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Btrfs, ext2, ext3, ext4, XFS, JFS, and Reiserfs.
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.SS Extended attribute namespaces
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Attribute names are zero-terminated strings.
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The attribute name is always specified in the fully qualified
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@ -142,7 +142,7 @@ extended attribute must fit on a single filesystem block (1024, 2048
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or 4096 bytes, depending on the block size specified when the
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filesystem was created).
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.PP
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In the XFS and Reiserfs filesystem implementations, there is no
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In the Btrfs, XFS, and Reiserfs filesystem implementations, there is no
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practical limit on the number or size of extended attributes
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associated with a file, and the algorithms used to store extended
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attribute information on disk are scalable.
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