[PATCH 57/71] man: document the reflink inode flag in fsxattr
"Darrick J. Wong" <[email protected]>
| Newsgroups | gmane.comp.file-systems.xfs.general |
|---|---|
| Message-ID | <[email protected]> |
Document the new inode flag in struct fsxattr for reflink. Signed-off-by: Darrick J. Wong <[email protected]> --- man/man3/xfsctl.3 | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/man/man3/xfsctl.3 b/man/man3/xfsctl.3 index 9e7f138..ef6c992 100644 --- a/man/man3/xfsctl.3 +++ b/man/man3/xfsctl.3 @@ -230,6 +230,16 @@ If the filesystem lives on directly accessible persistent memory, reads and writes to this file will go straight to the persistent memory, bypassing the page cache. .TP +.SM "Bit 16 (0x10000) \- XFS_XFLAG_REFLINK" +This file is sharing or has shared blocks with another file. +This flag can be set by reflinking or deduping blocks with another file +and cleared by fallocating the entire file to pre-copy all shared extents. +A file cannot have +.BR XFS_XFLAG_REFLINK +and +.BR XFS_XFLAG_DAX +set at the same time, that is to say that DAX files cannot share blocks. +.TP .SM "Bit 31 (0x80000000) \- XFS_XFLAG_HASATTR" The file has extended attributes associated with it. .RE _______________________________________________ xfs mailing list [email protected] http://oss.sgi.com/mailman/listinfo/xfs