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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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Michael Kerrisk 2015-04-22 14:46:30 +02:00
parent 89fabe2e91
commit d59b17a43c
1 changed files with 9 additions and 4 deletions
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man7/xattr.7
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@ -41,12 +41,17 @@ They are often used to provide additional functionality
to a filesystem\(emfor example, additional security features such as
Access Control Lists (ACLs) may be implemented using extended attributes.
.PP
Users with search access to a file or directory may retrieve a list of
attribute names defined for that file or directory.
Users with search access to a file or directory may use
.BR listxattr (2)
to retrieve a list of attribute names defined for that file or directory.
.PP
Extended attributes are accessed as atomic objects.
Reading retrieves the whole value of an attribute and stores it in a buffer.
Writing replaces any previous value with the new value.
Reading
.RB ( getxattr (2))
retrieves the whole value of an attribute and stores it in a buffer.
Writing
.RB ( setxattr (2))
replaces any previous value with the new value.
.PP
Space consumed for extended attributes may be counted towards the disk quotas
of the file owner and file group.