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* ext4: Fix duplicate entries returned from getdents() system callTheodore Ts'o2008-10-25
| | | | | | | | | | | | | | | | | | | Fix a regression caused by commit d0156417, "ext4: fix ext4_dx_readdir hash collision handling", where deleting files in a large directory (requiring more than one getdents system call), results in some filenames being returned twice. This was caused by a failure to update info->curr_hash and info->curr_minor_hash, so that if the directory had gotten modified since the last getdents() system call (as would be the case if the user is running "rm -r" or "git clean"), a directory entry would get returned twice to the userspace. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> This patch fixes the bug reported by Markus Trippelsdorf at: http://bugzilla.kernel.org/show_bug.cgi?id=11844 Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Tested-by: Markus Trippelsdorf <markus@trippelsdorf.de>
* ext4: remove unused variable in ext4_get_parentChristoph Hellwig2008-10-23
| | | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> [ All users removed in "switch all filesystems over to d_obtain_alias", aka commit 440037287c5ebb07033ab927ca16bb68c291d309 ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/viro/bdevLinus Torvalds2008-10-23
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/viro/bdev: (66 commits) [PATCH] kill the rest of struct file propagation in block ioctls [PATCH] get rid of struct file use in blkdev_ioctl() BLKBSZSET [PATCH] get rid of blkdev_locked_ioctl() [PATCH] get rid of blkdev_driver_ioctl() [PATCH] sanitize blkdev_get() and friends [PATCH] remember mode of reiserfs journal [PATCH] propagate mode through swsusp_close() [PATCH] propagate mode through open_bdev_excl/close_bdev_excl [PATCH] pass fmode_t to blkdev_put() [PATCH] kill the unused bsize on the send side of /dev/loop [PATCH] trim file propagation in block/compat_ioctl.c [PATCH] end of methods switch: remove the old ones [PATCH] switch sr [PATCH] switch sd [PATCH] switch ide-scsi [PATCH] switch tape_block [PATCH] switch dcssblk [PATCH] switch dasd [PATCH] switch mtd_blkdevs [PATCH] switch mmc ...
| * [PATCH] pass fmode_t to blkdev_put()Al Viro2008-10-21
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | [PATCH] switch all filesystems over to d_obtain_aliasChristoph Hellwig2008-10-23
| | | | | | | | | | | | | | Switch all users of d_alloc_anon to d_obtain_alias. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | [PATCH] switch quota_on-related stuff to kern_path()Al Viro2008-10-23
|/ | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* fs/Kconfig: move ext2, ext3, ext4, JBD, JBD2 outAlexey Dobriyan2008-10-20
| | | | | | | | Use fs/*/Kconfig more, which is good because everything related to one filesystem is in one place and fs/Kconfig is quite fat. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ext4: Remove automatic enabling of the HUGE_FILE feature flagTheodore Ts'o2008-10-16
| | | | | | | | | | If the HUGE_FILE feature flag is not set, don't allow the creation of large files, instead of automatically enabling the feature flag. Recent versions of mke2fs will set the HUGE_FILE flag automatically anyway for ext4 filesystems. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Replace hackish ext4_mb_poll_new_transaction with commit callbackTheodore Ts'o2008-10-16
| | | | | | | | | | | The multiblock allocator needs to be able to release blocks (and issue a blkdev discard request) when the transaction which freed those blocks is committed. Previously this was done via a polling mechanism when blocks are allocated or freed. A much better way of doing things is to create a jbd2 callback function and attaching the list of blocks to be freed directly to the transaction structure. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Remove unused mount options: nomballoc, mballoc, nocheckTheodore Ts'o2008-10-17
| | | | | | | These mount options don't actually do anything any more, so remove them. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Remove compile warnings when building w/o CONFIG_PROC_FSManish Katiyar2008-10-17
| | | | | Signed-off-by: Manish Katiyar <mkatiyar@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Add missing newlines to printk messagesEric Sesterhenn2008-10-17
| | | | | | | | | | | | | | There are some newlines missing in ext4_check_descriptors, which cause the printk level to be printed out when the next printk call is made: [ 778.847265] EXT4-fs: ext4_check_descriptors: Block bitmap for group 0 not in group (block 1509949442)!<3>EXT4-fs: group descriptors corrupted! [ 802.646630] EXT4-fs: ext4_check_descriptors: Inode bitmap for group 0 not in group (block 9043971)!<3>EXT4-fs: group descriptors corrupted! Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Fix file fragmentation during large file write.Aneesh Kumar K.V2008-10-16
| | | | | | | | | | | The range_cyclic writeback mode uses the address_space writeback_index as the start index for writeback. With delayed allocation we were updating writeback_index wrongly resulting in highly fragmented file. This patch reduces the number of extents reduced from 4000 to 27 for a 3GB file. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
* ext4: Use tag dirty lookup during mpage_da_submit_ioAneesh Kumar K.V2008-10-14
| | | | | | | This enables us to drop the range_cont writeback mode use from ext4_da_writepages. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
* ext4: let the block device know when unused blocks can be discardedTheodore Ts'o2008-10-16
| | | | | | | Let the block device know when unused blocks can be discarded, using the new sb_issue_discard() interface. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Don't reuse released data blocks until transaction commitsAneesh Kumar K.V2008-10-10
| | | | | | | | | | | We need to make sure we don't reuse the data blocks released during the transaction untill the transaction commits. We force this mode only for ordered and journalled mode. Writeback mode already don't provided data consistency. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
* ext4: Use an rbtree for tracking blocks freed during transaction.Aneesh Kumar K.V2008-10-16
| | | | | | | | | With this patch we track the block freed during a transaction using red-black tree. We also make sure contiguous blocks freed are collected in one node in the tree. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
* ext4: Do mballoc init before doing filesystem recoveryAneesh Kumar K.V2008-10-10
| | | | | | | | | | During filesystem recovery we may be doing a truncate which expects some of the mballoc data structures to be initialized. So do ext4_mb_init before recovery. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
* ext4: Free ext4_prealloc_space using kmem_cache_freeAneesh Kumar K.V2008-10-13
| | | | | | | | | We should use kmem_cache_free to free memory allocated via kmem_cache_alloc Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
* vfs: Use const for kernel parser tableSteven Whitehouse2008-10-13
| | | | | | | | | | | | | | This is a much better version of a previous patch to make the parser tables constant. Rather than changing the typedef, we put the "const" in all the various places where its required, allowing the __initconst exception for nfsroot which was the cause of the previous trouble. This was posted for review some time ago and I believe its been in -mm since then. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Cc: Alexander Viro <aviro@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ext4: fix build failure without procfsAlexander Beregalov2008-10-12
| | | | | | | | | | | | | fs/ext4/super.c: In function 'ext4_fill_super': fs/ext4/super.c:2226: error: 'ext4_ui_proc_fops' undeclared (first use in this function) fs/ext4/super.c:2226: error: (Each undeclared identifier is reported only once fs/ext4/super.c:2226: error: for each function it appears in.) Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
* ext4: add an option to control error handling on file dataHidehiro Kawai2008-10-10
| | | | | | | | | | | | | | | | | | | | | | | If the journal doesn't abort when it gets an IO error in file data blocks, the file data corruption will spread silently. Because most of applications and commands do buffered writes without fsync(), they don't notice the IO error. It's scary for mission critical systems. On the other hand, if the journal aborts whenever it gets an IO error in file data blocks, the system will easily become inoperable. So this patch introduces a filesystem option to determine whether it aborts the journal or just call printk() when it gets an IO error in file data. If you mount an ext4 fs with data_err=abort option, it aborts on file data write error. If you mount it with data_err=ignore, it doesn't abort, just call printk(). data_err=ignore is the default. Here is the corresponding patch of the ext3 version: http://kerneltrap.org/mailarchive/linux-kernel/2008/9/9/3239374 Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
* ext4: add checks for errors from jbd2Hidehiro Kawai2008-10-10
| | | | | | | | | | | | | | | | | | If the journal has aborted due to a checkpointing failure, we have to keep the contents of the journal space. Otherwise, the filesystem will lose uncheckpointed metadata completely and become inconsistent. To avoid this, we need to keep needs_recovery flag if checkpoint has failed. With this patch, ext4_put_super() detects a checkpointing failure from the return value of journal_destroy(), then it invokes ext4_abort() to make the filesystem read only and keep needs_recovery flag. Errors from jbd2_journal_flush() are also handled by this patch in some places. Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
* ext4: Rename ext4dev to ext4Theodore Ts'o2008-10-10
| | | | | | | | The ext4 filesystem is getting stable enough that it's time to drop the "dev" prefix. Also remove the requirement for the TEST_FILESYS flag. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Avoid double dirtying of super block in ext4_put_super()Andi Kleen2008-10-06
| | | | | | | | | | While reading code I noticed that ext4_put_super() dirties the superblock bh twice. It is always done in ext4_commit_super() too. Remove the redundant dirty operation. Should be a nop semantically. Signed-off-by: Andi Kleen <ak@linux.intel.com>
* Hook ext4 to the vfs fiemap interface.Eric Sandeen2008-10-07
| | | | | | | | | | ext4_ext_walk_space() was reinstated to be used for iterating over file extents with a callback; it is used by the ext4 fiemap implementation. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: linux-ext4@vger.kernel.org Cc: linux-fsdevel@vger.kernel.org
* ext4: fix xattr deadlockKalpak Shah2008-10-08
| | | | | | | | | | | | | ext4_xattr_set_handle() eventually ends up calling ext4_mark_inode_dirty() which tries to expand the inode by shifting the EAs. This leads to the xattr_sem being downed again and leading to a deadlock. This patch makes sure that if ext4_xattr_set_handle() is in the call-chain, ext4_mark_inode_dirty() will not expand the inode. Signed-off-by: Kalpak Shah <kalpak.shah@sun.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Add debugging markers that can be used by systemtapTheodore Ts'o2008-10-05
| | | | | | | This debugging markers are designed to debug problems such as the random filesystem latency problems reported by Arjan. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: fix initialization of UNINIT bitmap blocksFrederic Bohe2008-10-10
| | | | | | | | | | | | | | | | | | | | | | | | This fixes a bug which caused on-line resizing of filesystems with a 1k blocksize to fail. The root cause of this bug was the fact that if an uninitalized bitmap block gets read in by userspace (which e2fsprogs does try to avoid, but can happen when the blocksize is less than the pagesize and an adjacent blocks is read into memory) ext4_read_block_bitmap() was erroneously depending on the buffer uptodate flag to decide whether it needed to initialize the bitmap block in memory --- i.e., to set the standard set of blocks in use by a block group (superblock, bitmaps, inode table, etc.). Essentially, ext4_read_block_bitmap() assumed it was the only routine that might try to read a block containing a block bitmap, which is simply not true. To fix this, ext4_read_block_bitmap() and ext4_read_inode_bitmap() must always initialize uninitialized bitmap blocks. Once a block or inode is allocated out of that bitmap, it will be marked as initialized in the block group descriptor, so in general this won't result any extra unnecessary work. Signed-off-by: Frederic Bohe <frederic.bohe@bull.net> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Remove old legacy block allocatorTheodore Ts'o2008-10-10
| | | | Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Use readahead when reading an inode from the inode tableTheodore Ts'o2008-10-09
| | | | | | | | | | | | With modern hard drives, reading 64k takes roughly the same time as reading a 4k block. So request readahead for adjacent inode table blocks to reduce the time it takes when iterating over directories (especially when doing this in htree sort order) in a cold cache case. With this patch, the time it takes to run "git status" on a kernel tree after flushing the caches via "echo 3 > /proc/sys/vm/drop_caches" is reduced by 21%. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Combine proc file handling into a single set of functionsTheodore Ts'o2008-09-23
| | | | | | | | | Previously mballoc created a separate set of functions for each proc file. This combines the tunables into a single set of functions which gets used for all of the per-superblock proc files, saving approximately 2k of compiled object code. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: move /proc setup and teardown out of mballoc.cTheodore Ts'o2008-09-23
| | | | | | | ...and into the core setup/teardown code in fs/ext4/super.c so that other parts of ext4 can define tuning parameters. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Don't use 'struct dentry' for internal lookupsTheodore Ts'o2008-09-22
| | | | | | | | | | | | This is a port of a patch from Linus which fixes a 200+ byte stack usage problem in ext4_get_parent(). It's more efficient to pass down only the actual parts of the dentry that matter: the parent inode and the name, instead of allocating a struct dentry on the stack. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4/jbd2: Avoid WARN() messages when failing to write to the superblockTheodore Ts'o2008-10-06
| | | | | | This fixes some very common warnings reported by kerneloops.org Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: use percpu data structures for lg_prealloc_listEric Sandeen2008-09-13
| | | | | | | | | | lg_prealloc_list seems to cry out for a per-cpu data structure; on a large smp system I think this should be better. I've lightly tested this change on a 4-cpu system. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Acked-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Renumber EXT4_IOC_MIGRATETheodore Ts'o2008-09-13
| | | | | | | | | | | | Pick an ioctl number for EXT4_IOC_MIGRATE that won't conflict with other ext4 ioctl's. Since there haven't been any major userspace users of this ioctl, we can afford to change this now, to avoid potential problems later. Also, reorder the ioctl numbers in ext4.h to avoid this sort of mistake in the future. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: hook the ext3 migration interface to the EXT4_IOC_SETFLAGS ioctlAneesh Kumar K.V2008-10-08
| | | | | | | | | | This patch hooks the ext3 to ext4 migrate interface to EXT4_IOC_SETFLAGS ioctl. The userspace interface is via chattr +e. We only allow setting extent flags. Clearing extent flag (migrating from ext4 to ext3) is not supported. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: elevate write count for migrate ioctlAneesh Kumar K.V2008-09-13
| | | | | | | | The migrate ioctl writes to the filsystem, so we need to elevate the write count. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: add missing unlock in ext4_check_descriptors() on error pathLi Zefan2008-09-08
| | | | | | | | | If there group descriptors are corrupted we need unlock the block group lock before returning from the function; else we will oops when freeing a spinlock which is still being held. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* jbd2: clean up how the journal device name is printedTheodore Ts'o2008-09-16
| | | | | | | | | | | | | Calculate the journal device name once and stash it away in the journal_s structure. This avoids needing to call bdevname() everywhere and reduces stack usage by not needing to allocate an on-stack buffer. In addition, we eliminate the '/' that can appear in device names (e.g. "cciss/c0d0p9" --- see kernel bugzilla #11321) that can cause problems when creating proc directory names, and include the inode number to support ocfs2 which creates multiple journals with different inode numbers. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: fix #11321: create /proc/ext4/*/stats more carefullyAlexey Dobriyan2008-09-14
| | | | | | | | | | | | | | | | | | ext4 creates per-suberblock directory in /proc/ext4/ . Name used as basis is taken from bdevname, which, surprise, can contain slash. However, proc while allowing to use proc_create("a/b", parent) form of PDE creation, assumes that parent/a was already created. bdevname in question is 'cciss/c0d0p9', directory is not created and all this stuff goes directly into /proc (which is real bug). Warning comes when _second_ partition is mounted. http://bugzilla.kernel.org/show_bug.cgi?id=11321 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* Update flex_bg free blocks and free inodes counters when resizing.Frederic Bohe2008-09-08
| | | | | | | | This fixes a bug which prevented the newly created inodes after a resize from being used on filesystems with flex_bg. Signed-off-by: Frederic Bohe <frederic.bohe@bull.net> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Avoid printk floods in the face of directory corruptionEric Sandeen2008-10-09
| | | | | | | | | | | | | | | | | | Note: some people thinks this represents a security bug, since it might make the system go away while it is printing a large number of console messages, especially if a serial console is involved. Hence, it has been assigned CVE-2008-3528, but it requires that the attacker either has physical access to your machine to insert a USB disk with a corrupted filesystem image (at which point why not just hit the power button), or is otherwise able to convince the system administrator to mount an arbitrary filesystem image (at which point why not just include a setuid shell or world-writable hard disk device file or some such). Me, I think they're just being silly. --tytso Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: linux-ext4@vger.kernel.org Cc: Eugene Teo <eugeneteo@kernel.sg>
* ext4: Properly update i_disksize.Aneesh Kumar K.V2008-09-13
| | | | | | | | | | | | | | | | With delayed allocation we use i_data_sem to update i_disksize. We need to update i_disksize only if the new size specified is greater than the current value and we need to make sure we don't race with other i_disksize update. With delayed allocation we will switch to the write_begin function for non-delayed allocation if we are low on free blocks. This means the write_begin function for non-delayed allocation also needs to use the same locking. We also need to check and update i_disksize even if the new size is less that inode.i_size because of delayed allocation. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: truncate block allocated on a failed ext4_write_beginAneesh Kumar K.V2008-09-13
| | | | | | | | | | For blocksize < pagesize we need to remove blocks that got allocated in block_write_begin() if we fail with ENOSPC for later blocks. block_write_begin() internally does this if it allocated pages locally. This makes sure we don't have blocks outside inode.i_size during ENOSPC. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Retry block allocation if we have free blocks leftAneesh Kumar K.V2008-09-08
| | | | | | | | | | | | When we truncate files, the meta-data blocks released are not reused untill we commit the truncate transaction. That means delayed get_block request will return ENOSPC even if we have free blocks left. Force a journal commit and retry block allocation if we get ENOSPC with free blocks left. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Don't add the inode to journal handle until after the block is allocatedAneesh Kumar K.V2008-09-08
| | | | | | | | | | Make sure we don't add the inode to the journal handle until after the block allocation, so that a journal commit will not include the inode in case of block allocation failure. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Fix ext4 nomballoc allocator for ENOSPCAneesh Kumar K.V2008-09-08
| | | | | | | | | | | | | | | | | | | | We run into ENOSPC error on nonmballoc ext4, even when there is free blocks on the filesystem. The patch includes two changes: a) Set reservation to NULL if we trying to allocate near group_target_block from the goal group if the free block in the group is less than windows. This should give us a better chance to allocate near group_target_block. This also ensures that if we are not allocating near group_target_block then we don't trun off reservation. This should enable us to allocate with reservation from other groups that have large free blocks count. b) we don't need to check the window size if the block reservation is off. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
* ext4: Signed arithmetic fixAneesh Kumar K.V2008-10-08
| | | | | | | | | | This patch converts some usage of ext4_fsblk_t to s64. This is needed so that some of the sign conversion works as expected in if loops. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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