Document the new inode flag in struct fsxattr for DAX. Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --- man/man3/xfsctl.3 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/man/man3/xfsctl.3 b/man/man3/xfsctl.3 index e84b829..9e7f138 100644 --- a/man/man3/xfsctl.3 +++ b/man/man3/xfsctl.3 @@ -225,6 +225,11 @@ group and so files within different directories will not interleave extents on disk. The reservation is only active while files are being created and written into the directory. .TP +.SM "Bit 15 (0x8000) \- XFS_XFLAG_DAX" +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 31 (0x80000000) \- XFS_XFLAG_HASATTR" The file has extended attributes associated with it. .RE _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
