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Support the fallocate() file operation.

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Currently only the (FALLOC_FL_PUNCH_HOLE) flag combination is
supported, since it's the only one that matches the behavior of
zfs_space(). This makes it pretty much useless in its current
form, but it's a start.

To support other flag combinations we would need to modify
zfs_space() to make it more flexible, or emulate the desired
functionality in zpl_fallocate().

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #334
This commit is contained in:
Etienne Dechamps
2011-09-02 09:42:07 +02:00
committed by Brian Behlendorf
parent aec69371a6
commit cb2d19010d
61 changed files with 447 additions and 0 deletions
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man/man8/Makefile.in
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@@ -63,6 +63,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-check-disk-size-change.m4 \
$(top_srcdir)/config/kernel-d-obtain-alias.m4 \
$(top_srcdir)/config/kernel-evict-inode.m4 \
$(top_srcdir)/config/kernel-fallocate.m4 \
$(top_srcdir)/config/kernel-fmode-t.m4 \
$(top_srcdir)/config/kernel-fsync.m4 \
$(top_srcdir)/config/kernel-get-disk-ro.m4 \