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Provide an internal interface for the removal of arbitrary file regions.
ocfs2_remove_inode_range() takes a byte range within a file and will remove
existing extents within that range. Partial clusters will be zeroed so that
any read from within the region will return zeros.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Due to the size of our group bitmaps, we'll never have a leaf node extent
record with more than 16 bits worth of clusters. Split e_clusters up so that
leaf nodes can get a flags field where we can mark unwritten extents.
Interior nodes whose length references all the child nodes beneath it can't
split their e_clusters field, so we use a union to preserve sizing there.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Commit 592282cf2eaa33409c6511ddd3f3ecaa57daeaaa fixed some missing directory
c/mtime updates in part by introducing a dinode update in ocfs2_add_entry().
Unfortunately, ocfs2_link() (which didn't update the directory inode before)
is now missing a single journal credit. Fix this by doubling the number of
inode updates expected during hard link creation.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This allows users to format an ocfs2 file system with a special flag,
OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT. When the file system sees this flag, it
will not use any cluster services, nor will it require a cluster
configuration, thus acting like a 'local' file system.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/ata/libata-scsi.c
include/linux/libata.h
Futher merge of Linus's head and compilation fixups.
Signed-Off-By: David Howells <dhowells@redhat.com>
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This is mostly a search and replace as ocfs2_journal_handle is now no more
than a container for a handle_t pointer.
ocfs2_commit_trans() becomes very straight forward, and we remove some out
of date comments / code.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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All callers either pass in NULL directly, or a local variable that is
already set to NULL.
The internals of ocfs2_start_trans() get a nice cleanup as a result.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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It is no longer used.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This sets us up to remove handle->journal.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This is no longer used outside of journal.c
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This gets us rid of a slab we no longer need, as well as removing the
majority of what's left on ocfs2_journal_handle.
ocfs2_commit_unstarted_handle() has no more real work to do, so remove that
function too.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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We can also delete the unused infrastructure which was once in place to
support this functionality. ocfs2_inode_private loses ip_handle and
ip_handle_list. ocfs2_journal_handle loses handle_list.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Callers can set h_sync directly on the handle_t, whether a transaction has
been started or not can be determined via the existence of the handle_t on
the struct ocfs2_journal_handle.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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No reason to use our wrapper struct in this function, so take the handle_t
directly.
Also fixes a bug where we were incorrectly setting the handle to NULL in
case of a failure from journal_restart()
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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max_buffs was just being set and not actually used.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Fix up for make allyesconfig.
Signed-Off-By: David Howells <dhowells@redhat.com>
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Disable automatic checkpointing of the journal - this is a relic from older
ocfs2 days. Worth quite a bit of performance on longer running single node
tests.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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The OCFS2 file system module.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
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