| Commit message (Collapse) | Author | Age |
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Replace all uses of kmem_cache_t with struct kmem_cache.
The patch was generated using the following script:
#!/bin/sh
#
# Replace one string by another in all the kernel sources.
#
set -e
for file in `find * -name "*.c" -o -name "*.h"|xargs grep -l $1`; do
quilt add $file
sed -e "1,\$s/$1/$2/g" $file >/tmp/$$
mv /tmp/$$ $file
quilt refresh
done
The script was run like this
sh replace kmem_cache_t "struct kmem_cache"
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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SLAB_NOFS is an alias of GFP_NOFS.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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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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Implement .permission() in ocfs2_file_iops, ocfs2_special_file_iops and
ocfs2_dir_iops.
This helps us avoid some multi-node races with mode change and vfs
operations.
Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Conditionally update atime in ocfs2_file_aio_read(), ocfs2_readdir() and
ocfs2_mmap().
Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This patch adds the core routines for updating atime in ocfs2.
Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Add splice read/write support in ocfs2.
ocfs2_file_splice_read/write are very similar to ocfs2_file_aio_read/write.
Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Use should_remove_suid() instead.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.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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Now that this is unused and all callers pass NULL, we can safely remove it.
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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It isn't used until ocfs2_start_trans() anyway.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Instead we record our state on the allocation context structure which all
callers already know about and lifetime correctly. This means the
reservation functions don't need a handle passed in any more, and we can
also take it off the alloc context.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Take and drop the locks directly.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Take and drop the locks directly.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Take and drop the locks directly.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Take and drop the locks directly.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Take and drop the locks directly.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Take and drop the locks directly.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Take and drop the locks directly.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Take and drop the locks directly.
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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Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This patch makes the needlessly global ocfs2_create_new_lock() static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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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The loop within ocfs2_zero_extend() can execute for a long time, causing
spurious soft lockup warnings.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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The page zeroing code was missing the region between old i_size and new
i_size for those extends that didn't actually require a change in space
allocation.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This was causing some folks to incorrectly get -EBUSY during rename.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This patch deletes redundant memcmp() while looking up in rb tree.
Signed-off-by: Akinbou Mita <akinobu.mita@gmail.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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OCFS2 does some operations on i_nlink, then reverts them if some of its
operations fail to complete. This does not fit in well with the
drop_nlink() logic where we expect i_nlink to stay at zero once it gets
there.
So, delay all of the nlink operations until we're sure that the operations
have completed. Also, introduce a small helper to check whether an inode
has proper "unlinkable" i_nlink counts no matter whether it is a directory
or regular inode.
This patch is broken out from the others because it does contain some
logical changes.
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This is mostly included for parity with dec_nlink(), where we will have some
more hooks. This one should stay pretty darn straightforward for now.
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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When a filesystem decrements i_nlink to zero, it means that a write must be
performed in order to drop the inode from the filesystem.
We're shortly going to have keep filesystems from being remounted r/o between
the time that this i_nlink decrement and that write occurs.
So, add a little helper function to do the decrements. We'll tie into it in a
bit to note when i_nlink hits zero.
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch vectorizes aio_read() and aio_write() methods to prepare for
collapsing all aio & vectored operations into one interface - which is
aio_read()/aio_write().
Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Michael Holzheu <HOLZHEU@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This eliminates the i_blksize field from struct inode. Filesystems that want
to provide a per-inode st_blksize can do so by providing their own getattr
routine instead of using the generic_fillattr() function.
Note that some filesystems were providing pretty much random (and incorrect)
values for i_blksize.
[bunk@stusta.de: cleanup]
[akpm@osdl.org: generic_fillattr() fix]
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The following patches reduce the size of the VFS inode structure by 28 bytes
on a UP x86. (It would be more on an x86_64 system). This is a 10% reduction
in the inode size on a UP kernel that is configured in a production mode
(i.e., with no spinlock or other debugging functions enabled; if you want to
save memory taken up by in-core inodes, the first thing you should do is
disable the debugging options; they are responsible for a huge amount of bloat
in the VFS inode structure).
This patch:
The filesystem or device-specific pointer in the inode is inside a union,
which is pretty pointless given that all 30+ users of this field have been
using the void pointer. Get rid of the union and rename it to i_private, with
a comment to explain who is allowed to use the void pointer. This is just a
cleanup, but it allows us to reuse the union 'u' for something something where
the union will actually be used.
[judith@osdl.org: powerpc build fix]
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Judith Lebzelter <judith@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* Rougly half of callers already do it by not checking return value
* Code in drivers/acpi/osl.c does the following to be sure:
(void)kmem_cache_destroy(cache);
* Those who check it printk something, however, slab_error already printed
the name of failed cache.
* XFS BUGs on failed kmem_cache_destroy which is not the decision
low-level filesystem driver should make. Converted to ignore.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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With this, we don't need to pass an additional struct with function pointer.
Now that the callbacks are fully used, comment the remaining API.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Have ocfs2_process_blocked_lock() call ocfs2_generic_unblock_lock(), which
gets to be ocfs2_unblock_lock() now that it's the only possible unblock
function.
Remove the ->unblock() callback from the structure, and all lock type
specific unblock functions.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This way lock types don't have to manually pass it to
ocfs2_generic_unblock_lock().
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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The meta data unblocking code no longer needs ocfs2_do_unblock_meta() or
ocfs2_can_downconvert_meta_lock(), so remove them.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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Fill in the ->check_downconvert and ->set_lvb callbacks with meta data
specific operations and switch ocfs2_unblock_meta() to call
ocfs2_generic_unblock_lock()
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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This allows a lock type to set the value block before downconvert.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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