These 3 patches are a third pass to add a statx command
to xfs_io in hopes that it will aid creation of xfstests
statx regression tests.
bare "statx" output should look just like bare "stat" output.
xfs_io> help statx
statx [-v|-r][-m basic | -m all | -m <mask>][-FD] -- extended statistics on the currently open file
Display extended file status.
Options:
-v -- More verbose output
-r -- Print raw statx structure fields
-m mask -- Specify the field mask for the statx call
(can also be 'basic' or 'all'; default STATX_ALL)
-D -- Don't sync attributes with the server
-F -- Force the attributes to be sync'd with the server
xfs_io> statx -r
stat.mask = 0x7ff
stat.blksize = 4096
stat.attributes = 0x0
stat.nlink = 1
stat.uid = 0
stat.gid = 0
stat.mode: 0100644
stat.ino = 3905768
stat.size = 4691
stat.blocks = 16
stat.atime.tv_sec = 1491338515
stat.atime.tv_nsec = 564190075
stat.btime.tv_sec = 0
stat.btime.tv_nsec = 0
stat.ctime.tv_sec = 1489602207
stat.ctime.tv_nsec = 556521524
stat.mtime.tv_sec = 1489602207
stat.mtime.tv_nsec = 556521524
stat.rdev_major = 0
stat.rdev_minor = 0
stat.dev_major = 8
stat.dev_minor = 33
patch 2 factors out some stat functionality, and adds a
raw stat(2) dumper for consistency.
patch 3 implements the statx stuff, and includes a header file
with lots of the new #defines so this can build on older systems;
eventually that can be removed perhaps.
An interesting limitation of all of the xfs_io stat
variants is that they currently can't stat any file that
they can't open, which may or may not be a limitation that
we care about....
-Eric
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