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Tear down and flush the mmap region

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The inode eviction should unmap the pages associated with the inode.
These pages should also be flushed to disk to avoid the data loss.
Therefore, use truncate_setsize() in evict_inode() to release the
pagecache.

The API truncate_setsize() was added in 2.6.35 kernel. To ensure
compatibility with the old kernel, the patch defines its own
truncate_setsize function.

Signed-off-by: Prasad Joshi <pjoshi@stec-inc.com>
Closes #255
This commit is contained in:
Prasad Joshi
2011-06-25 13:30:29 +01:00
committed by Brian Behlendorf
parent 560bcf9d14
commit b312979252
59 changed files with 172 additions and 2 deletions
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man/Makefile.in
+1
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@@ -64,6 +64,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-open-bdev-exclusive.m4 \
$(top_srcdir)/config/kernel-rq-for-each_segment.m4 \
$(top_srcdir)/config/kernel-rq-is_sync.m4 \
$(top_srcdir)/config/kernel-truncate-setsize.m4 \
$(top_srcdir)/config/kernel-xattr-handler.m4 \
$(top_srcdir)/config/kernel.m4 \
$(top_srcdir)/config/user-arch.m4 \
man/man8/Makefile.in
+1
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@@ -64,6 +64,7 @@ am__aclocal_m4_deps = \
$(top_srcdir)/config/kernel-open-bdev-exclusive.m4 \
$(top_srcdir)/config/kernel-rq-for-each_segment.m4 \
$(top_srcdir)/config/kernel-rq-is_sync.m4 \
$(top_srcdir)/config/kernel-truncate-setsize.m4 \
$(top_srcdir)/config/kernel-xattr-handler.m4 \
$(top_srcdir)/config/kernel.m4 \
$(top_srcdir)/config/user-arch.m4 \