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2009-01-05ocfs2/dlm: Clean up errors in dlm_proxy_ast_handler()Sunil Mushran
Patch cleans printed errors in dlm_proxy_ast_handler(). The errors now includes the node number that sent the (b)ast. Also it reduces the number of endian swaps of the cookie. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2/dlm: Fix a race between migrate request and exit domainSunil Mushran
Patch address a racing migrate request message and an exit domain message. Instead of blocking exit domains for the duration of the migrate, we ignore failure to deliver that message. This is because an exiting domain should not have any active locks and thus has no role to play in the migration. Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: One more hamming code optimization.Joel Becker
The previous optimization used a fast find-highest-bit-set operation to give us a good starting point in calc_code_bit(). This version lets the caller cache the previous code buffer bit offset. Thus, the next call always starts where the last one left off. This reduces the calculation another 39%, for a total 80% reduction from the original, naive implementation. At least, on my machine. This also brings the parity calculation to within an order of magnitude of the crc32 calculation. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Another hamming code optimization.Joel Becker
In the calc_code_bit() function, we must find all powers of two beneath the code bit number, *after* it's shifted by those powers of two. This requires a loop to see where it ends up. We can optimize it by starting at its most significant bit. This shaves 32% off the time, for a total of 67.6% shaved off of the original, naive implementation. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Don't hand-code xor in ocfs2_hamming_encode().Joel Becker
When I wrote ocfs2_hamming_encode(), I was following documentation of the algorithm and didn't have quite the (possibly still imperfect) grasp of it I do now. As part of this, I literally hand-coded xor. I would test a bit, and then add that bit via xor to the parity word. I can, of course, just do a single xor of the parity word and the source word (the code buffer bit offset). This cuts CPU usage by 53% on a mostly populated buffer (an inode containing utmp.h inline). Joel Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Enable metadata checksums.Joel Becker
Add OCFS2_FEATURE_INCOMPAT_META_ECC to the list of supported features. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Validate superblock with checksum and ecc.Joel Becker
The superblock is read via a raw call. Validate it after we find it from its signature. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Checksum and ECC for directory blocks.Joel Becker
Use the db_check field of ocfs2_dir_block_trailer to crc/ecc the dirblocks. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Add directory block trailers.Mark Fasheh
Future ocfs2 features metaecc and indexed directories need to store a little bit of data in each dirblock. For compatibility, we place this in a trailer at the end of the dirblock. The trailer plays itself as an empty dirent, so that if the features are turned off, it can be reused without requiring a tunefs scan. This code adds the trailer and validates it when the block is read in. [ Mark is the original author, but I reinserted this code before his dir index work. -- Joel ] Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Use proper journal_access function in xattr.cJoel Becker
Change the rest of the naked ocfs2_journal_access() calls in fs/ocfs2/xattr.c to use the appropriate ocfs2_journal_access_*() call for their metadata type. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Pass value buf to ocfs2_remove_value_outside().Joel Becker
ocfs2_remove_value_outside() needs to know the type of buffer it is looking at. Pass in an ocfs2_xattr_value_buf. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Use ocfs2_xattr_value_buf in ocfs2_xattr_set_entry().Joel Becker
ocfs2_xattr_set_entry is the function that knows what type of block it is setting into. This is what we wanted from ocfs2_xattr_value_buf. Plus, moving the value buf up into ocfs2_xattr_set_entry() allows us to pass it into ocfs2_xattr_set_value_outside() and ocfs2_xattr_cleanup(). Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Pass value buf to ocfs2_xattr_update_entry().Joel Becker
ocfs2_xattr_update_entry() updates the entry portion of an xattr buffer. This can be part of multiple metadata block types, so pass the buffer in via an ocfs2_xattr_value_buf. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Pass ocfs2_xattr_value_buf into ocfs2_xattr_value_truncate().Joel Becker
The callers of ocfs2_xattr_value_truncate() now pass in ocfs2_xattr_value_bufs. These callers are the ones that calculated the xv location, so they are the right starting point. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Pull ocfs2_xattr_value_buf up into ocfs2_xattr_value_truncate().Joel Becker
Place an ocfs2_xattr_value_buf in ocfs2_xattr_value_truncate() and pass it down to ocfs2_xattr_shrink_size(). We can also pass it into ocfs2_xattr_extend_allocation(), replacing its ocfs2_xattr_value_buf. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Pull ocfs2_xattr_value_buf up from __ocfs2_remove_xattr_range().Joel Becker
Place an ocfs2_xattr_value_buf in __ocfs2_xattr_shrink_size() and pass it down to __ocfs2_remove_xattr_range(). Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Create ocfs2_xattr_value_buf.Joel Becker
When an ocfs2 extended attribute is large enough to require its own allocation tree, we root it with an ocfs2_xattr_value_root. However, these roots can be a part of inodes, xattr blocks, or xattr buckets. Thus, they need a different journal access function for each container. We wrap the bh, its journal access function, and the value root (xv) in a structure called ocfs2_xattr_valu_buf. This is a package that can be passed around. In this first pass, we simply pass it to the extent tree code. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Add ecc and checksums to ocfs2 xattr buckets.Joel Becker
The xattr bucket can span multiple blocks on disk. We have wrappers for this structure in the code. We use the new multi-block ecc calls to calculate and validate the bucket. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Use metadata-specific ocfs2_journal_access_*() functions.Joel Becker
The per-metadata-type ocfs2_journal_access_*() functions hook up jbd2 commit triggers and allow us to compute metadata ecc right before the buffers are written out. This commit provides ecc for inodes, extent blocks, group descriptors, and quota blocks. It is not safe to use extened attributes and metaecc at the same time yet. The ocfs2_extent_tree and ocfs2_path abstractions in alloc.c both hide the type of block at their root. Before, it didn't matter, but now the root block must use the appropriate ocfs2_journal_access_*() function. To keep this abstract, the structures now have a pointer to the matching journal_access function and a wrapper call to call it. A few places use naked ocfs2_write_block() calls instead of adding the blocks to the journal. We make sure to calculate their checksum and ecc before the write. Since we pass around the journal_access functions. Let's typedef them in ocfs2.h. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Wrap up the common use cases of ocfs2_new_path().Joel Becker
The majority of ocfs2_new_path() calls are: ocfs2_new_path(path_root_bh(otherpath), path_root_el(otherpath)); Let's call that ocfs2_new_path_from_path(). The rest do similar things from struct ocfs2_extent_tree. Let's call those ocfs2_new_path_from_et(). This will make the next change easier. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Add journal_access functions with jbd2 triggers.Joel Becker
We create wrappers for ocfs2_journal_access() that are specific to the type of metadata block. This allows us to associate jbd2 commit triggers with the block. The triggers will compute metadata ecc in a future commit. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: block read meta ecc.Joel Becker
Add block check calls to the read_block validate functions. This is the almost all of the read-side checking of metaecc. xattr buckets are not checked yet. Writes are also unchecked, and so a read-write mount will quickly fail. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Add a validation hook for quota block reads.Joel Becker
Add a currently-returns-success hook for quota block reads. We'll be adding checks to this. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Add the underlying blockcheck code.Joel Becker
This is the code that computes crc32 and ecc for ocfs2 metadata blocks. There are high-level functions that check whether the filesystem has the ecc feature, mid-level functions that work on a single block or array of buffer_heads, and the low-level ecc hamming code that can handle multiple buffers like crc32_le(). It's not hooked up to the filesystem yet. Signed-off-by: Joel Becker <joel.becker@oracle.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Add the on-disk structures for metadata checksums.Joel Becker
Define struct ocfs2_block_check, an 8-byte structure containing a 32bit crc32_le and a 16bit hamming code ecc. This will be used for metadata checksums. Add the structure to free spaces in the various metadata structures. Add the OCFS2_FEATURE_INCOMPAT_META_ECC bit. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05jbd2: Add buffer triggersJoel Becker
Filesystems often to do compute intensive operation on some metadata. If this operation is repeated many times, it can be very expensive. It would be much nicer if the operation could be performed once before a buffer goes to disk. This adds triggers to jbd2 buffer heads. Just before writing a metadata buffer to the journal, jbd2 will optionally call a commit trigger associated with the buffer. If the journal is aborted, an abort trigger will be called on any dirty buffers as they are dropped from pending transactions. ocfs2 will use this feature. Initially I tried to come up with a more generic trigger that could be used for non-buffer-related events like transaction completion. It doesn't tie nicely, because the information a buffer trigger needs (specific to a journal_head) isn't the same as what a transaction trigger needs (specific to a tranaction_t or perhaps journal_t). So I implemented a buffer set, with the understanding that journal/transaction wide triggers should be implemented separately. There is only one trigger set allowed per buffer. I can't think of any reason to attach more than one set. Contrast this with a journal or transaction in which multiple places may want to watch the entire transaction separately. The trigger sets are considered static allocation from the jbd2 perspective. ocfs2 will just have one trigger set per block type, setting the same set on every bh of the same type. Signed-off-by: Joel Becker <joel.becker@oracle.com> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: <linux-ext4@vger.kernel.org> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2/quota: Add QUOTA in mlog_attribute.Tao Ma
A new mlog mask has to be added into mlog_attribute before it can be really used in mlog. ML_QUOTA is only added in masklog.h, so add it to the array to enable it. Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Pass xs->bucket into ocfs2_add_new_xattr_bucket().Joel Becker
Pass the actual target bucket for insert through to ocfs2_add_new_xattr_bucket(). Now growing a bucket has no buffer_head knowledge. ocfs2_add_new_xattr_bucket() leavs xs->bucket in the proper state for insert. However, it doesn't update the rest of the search fields in xs, so we still have to relse() and re-find. That's OK, because everything is cached. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Move buckets up into ocfs2_add_new_xattr_bucket().Joel Becker
Lift the buckets from ocfs2_add_new_xattr_cluster() up into ocfs2_add_new_xattr_bucket(). Now ocfs2_add_new_xattr_cluster() doesn't deal with buffer_heads. In fact, we no longer have to play get_bh() tricks at all. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Move buckets up into ocfs2_add_new_xattr_cluster().Joel Becker
Lift the buckets from ocfs2_adjust_xattr_cross_cluster() up into ocfs2_add_new_xattr_cluster(). Now ocfs2_adjust_xattr_cross_cluster() doesn't deal with buffer_heads. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Pass buckets into ocfs2_mv_xattr_bucket_cross_cluster().Joel Becker
Now that ocfs2_adjust_xattr_cross_cluster() has buckets, it can pass them into ocfs2_mv_xattr_bucket_cross_cluster(). It no longer has to care about buffer_heads. The manipulation of first_bh and header_bh moves up to ocfs2_adjust_xattr_cross_cluster(). Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Start using buckets in ocfs2_adjust_xattr_cross_cluster().Joel Becker
We want to be passing around buckets instead of buffer_heads. Let's get them into ocfs2_adjust_xattr_cross_cluster. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Use ocfs2_mv_xattr_buckets() in ocfs2_mv_xattr_bucket_cross_cluster().Joel Becker
Now that ocfs2_mv_xattr_buckets() can move a partial cluster's worth of buckets, ocfs2_mv_xattr_bucket_cross_cluster() can use it. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: ocfs2_mv_xattr_buckets() can handle a partial cluster now.Joel Becker
If you look at ocfs2_mv_xattr_bucket_cross_cluster(), you'll notice that two-thirds of the code is almost identical to ocfs2_mv_xattr_buckets(). The only difference is that ocfs2_mv_xattr_buckets() moves a whole cluster's worth, while ocfs2_mv_xattr_bucket_cross_cluster() moves half the cluster. We change ocfs2_mv_xattr_buckets() to allow moving partial clusters. The original caller of ocfs2_mv_xattr_buckets() still moves the whole cluster's worth - it just passes a start_bucket of 0. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Rename ocfs2_cp_xattr_cluster() to ocfs2_mv_xattr_buckets().Joel Becker
ocfs2_cp_xattr_cluster() takes the last cluster of an xattr extent, copies its buckets to the front of a new extent, and then shrinks the bucket count of the original extent. So it's really moving the data, not copying it. While we're here, the function doesn't need a buffer_head for the old extent, just the block number. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Use ocfs2_cp_xattr_bucket() in ocfs2_mv_xattr_bucket_cross_cluster().Joel Becker
The buffer copy loop of ocfs2_mv_xattr_bucket_cross_cluster() actually looks a lot like ocfs2_cp_xattr_bucket(). Let's just use that instead. We also use bucket operations to update the buckets at the start of each extent. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Explain t_is_new in ocfs2_cp_xattr_cluster().Joel Becker
I was unsure of the JOURNAL_ACCESS parameters in ocfs2_cp_xattr_cluster(). They're based on the function argument 't_is_new', but I couldn't quite figure out how t_is_new mapped to allocation. ocfs2_cp_xattr_cluster() actually overwrites the target, regardless of t_is_new. Well, I just figured it out. So I'm adding a big fat comment for those who come after me. ocfs2_divide_xattr_cluster() has the same behavior. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Dirty the entire first bucket in ocfs2_cp_xattr_cluster().Joel Becker
ocfs2_cp_xattr_cluster() takes the last bucket of a full extent and copies it over to a new extent. It then updates the headers of both extents to reflect the new state. It is passed the first bh of the first bucket in order to update that first extent's bucket count. It reads and dirties the first bh of the new extent for the same reason. However, future code wants to always dirty the entire bucket when it is changed. So it is changed to read the entire bucket it is updating for both extents. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Dirty the entire first bucket in ocfs2_extend_xattr_bucket()Joel Becker
ocfs2_extend_xattr_bucket() takes an extent of buckets and shifts some of them down to make room for a new xattr. It is passed the first bh of the first bucket, because that is where we store the number of buckets in the extent. However, future code wants to always dirty the entire bucket when it is changed. So let's pass the entire bucket into this function, skip any block reads (we have them), and add the access/dirty logic. We also can skip passing in the target bucket bh - we only need its block number. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Narrow the transaction for deleting xattrs from a bucket.Tao Ma
We move the transaction into the loop because in ocfs2_remove_extent, we will double the credits in function ocfs2_extend_rotate_transaction. So if we have a large loop number, we will soon waste much the journal space. Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Dirty the entire bucket in ocfs2_bucket_value_truncate()Joel Becker
ocfs2_bucket_value_truncate() currently takes the first bh of the bucket, and magically plays around with the value bh - even though the bucket structure in the calling function already has it. In addition, future code wants to always dirty the entire bucket when it is changed. So let's pass the entire bucket into this function, skip any block reads (we have them), and add the access/dirty logic. ocfs2_xattr_update_value_size() is no longer necessary, as it only did one thing other than journal access/dirty. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2/quota: sparse fixes for quotaTao Ma
Fix 2 minor things in quota. They are both found by sparse check. 1. an endian bug in ocfs2_local_quota_add_chunk. 2. change olq_alloc_dquot to static. Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: fix indendation in ocfs2_dquot_drop_slowTao Ma
Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ext4: Add default allocation routines for quota structuresJan Kara
Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ext3: Add default allocation routines for quota structuresJan Kara
Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05reiserfs: Add default allocation routines for quota structuresJan Kara
Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05quota: Export dquot_alloc() and dquot_destroy() functionsJan Kara
These are default functions for creating and destroying quota structures and they should be used from filesystems. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Fix build warnings (64-bit types vs long long)Jan Kara
fs/ocfs2/quota_local.c: In function 'olq_set_dquot': fs/ocfs2/quota_local.c:844: warning: format '%lld' expects type 'long long int', but argument 7 has type '__le64' fs/ocfs2/quota_local.c:844: warning: format '%lld' expects type 'long long int', but argument 8 has type '__le64' fs/ocfs2/quota_local.c:844: warning: format '%lld' expects type 'long long int', but argument 7 has type '__le64' fs/ocfs2/quota_local.c:844: warning: format '%lld' expects type 'long long int', but argument 8 has type '__le64' fs/ocfs2/quota_local.c:844: warning: format '%lld' expects type 'long long int', but argument 7 has type '__le64' fs/ocfs2/quota_local.c:844: warning: format '%lld' expects type 'long long int', but argument 8 has type '__le64' fs/ocfs2/quota_global.c: In function '__ocfs2_sync_dquot': fs/ocfs2/quota_global.c:457: warning: format '%lld' expects type 'long long int', but argument 8 has type 's64' fs/ocfs2/quota_global.c:457: warning: format '%lld' expects type 'long long int', but argument 10 has type 's64' fs/ocfs2/quota_global.c:457: warning: format '%lld' expects type 'long long int', but argument 8 has type 's64' fs/ocfs2/quota_global.c:457: warning: format '%lld' expects type 'long long int', but argument 10 has type 's64' fs/ocfs2/quota_global.c:457: warning: format '%lld' expects type 'long long int', but argument 8 has type 's64' fs/ocfs2/quota_global.c:457: warning: format '%lld' expects type 'long long int', but argument 10 has type 's64' Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Make ocfs2_get_quota_block() consistent with ocfs2_read_quota_block()Jan Kara
Make function return error status and not buffer pointer so that it's consistent with ocfs2_read_quota_block(). Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
2009-01-05ocfs2: Fix oops when extending quota filesJan Kara
We have to mark buffer as uptodate before calling ocfs2_journal_access() and ocfs2_set_buffer_uptodate() does not do this for us. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Mark Fasheh <mfasheh@suse.com>