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<p>Is FIEMAP supported on a DoM file? I have a simple file that is
a 2 component PFL. The first component is DoM. My utility
program that does the FIEMAP, and which works with non-DoM PFL
files, does not work when the first component is DoM. </p>
<p><font face="Courier New, Courier, monospace">ioctl(FS_IOC_FIEMAP)
fe_device=0 fe_logical=0 file_size=1048576000 error Unknown
error 524</font></p>
<p> Is this as expected?</p>
<p>John<br>
</p>
<p><br>
</p>
<p><font face="Courier New, Courier, monospace">pfe27.jbauer2
286> lfs getstripe /nobackup/jbauer2/dd.dir/dd_test.dat<br>
/nobackup/jbauer2/dd.dir/dd_test.dat<br>
lcm_layout_gen: 3<br>
lcm_mirror_count: 1<br>
lcm_entry_count: 2<br>
lcme_id: 1<br>
lcme_mirror_id: 0<br>
lcme_flags: init<br>
lcme_extent.e_start: 0<br>
lcme_extent.e_end: 1048576<br>
lmm_stripe_count: 0<br>
lmm_stripe_size: 1048576<br>
lmm_pattern: mdt<br>
lmm_layout_gen: 0<br>
lmm_stripe_offset: 0<br>
lmm_pool: ssd-pool<br>
<br>
lcme_id: 2<br>
lcme_mirror_id: 0<br>
lcme_flags: init<br>
lcme_extent.e_start: 1048576<br>
lcme_extent.e_end: EOF<br>
lmm_stripe_count: 6<br>
lmm_stripe_size: 5242880<br>
lmm_pattern: raid0<br>
lmm_layout_gen: 0<br>
lmm_stripe_offset: 121<br>
lmm_pool: ssd-pool<br>
lmm_objects:<br>
- 0: { l_ost_idx: 121, l_fid: [0x100790000:0x3273e83:0x0]
}<br>
- 1: { l_ost_idx: 131, l_fid: [0x100830000:0x325c4b2:0x0]
}<br>
- 2: { l_ost_idx: 116, l_fid: [0x100740000:0x31e236f:0x0]
}<br>
- 3: { l_ost_idx: 117, l_fid: [0x100750000:0x317dbf2:0x0]
}<br>
- 4: { l_ost_idx: 124, l_fid: [0x1007c0000:0x320ec8d:0x0]
}<br>
- 5: { l_ost_idx: 125, l_fid: [0x1007d0000:0x32094a8:0x0]
}<br>
<br>
pfe27.jbauer2 287> llfie /nobackup/jbauer2/dd.dir/dd_test.dat<br>
StripeChunks_get() ioctl(FS_IOC_FIEMAP) fe_device=0 fe_logical=0
file_size=1048576000 error Unknown error 524<br>
StripeChunks_get() fm_mapped_extents=0<br>
pfe27.jbauer2 288></font><br>
</p>
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