Document the new inode flag in struct fsxattr for reflink. Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
