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xattr.7: Explicitly mention some of the xattr system calls in DESCRIPTION
Naming the system calls helps to orient the reader Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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man7/xattr.7
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man7/xattr.7
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@ -41,12 +41,17 @@ They are often used to provide additional functionality
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to a filesystem\(emfor example, additional security features such as
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Access Control Lists (ACLs) may be implemented using extended attributes.
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.PP
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Users with search access to a file or directory may retrieve a list of
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attribute names defined for that file or directory.
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Users with search access to a file or directory may use
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.BR listxattr (2)
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to retrieve a list of attribute names defined for that file or directory.
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.PP
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Extended attributes are accessed as atomic objects.
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Reading retrieves the whole value of an attribute and stores it in a buffer.
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Writing replaces any previous value with the new value.
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Reading
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.RB ( getxattr (2))
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retrieves the whole value of an attribute and stores it in a buffer.
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Writing
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.RB ( setxattr (2))
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replaces any previous value with the new value.
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.PP
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Space consumed for extended attributes may be counted towards the disk quotas
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of the file owner and file group.
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