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* udf: add speciffic ->setattr callbackDmitry Monakhov2010-04-084-4/+12
| | | | | | | | generic setattr not longer responsible for quota transfer. use udf_setattr for all udf's inodes. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: potential integer overflowDan Carpenter2010-04-081-6/+4
| | | | | | | | | | | | bloc->logicalBlockNum is unsigned so it's never less than zero. When I saw that, it made me worry that "bloc->logicalBlockNum + count" could overflow. That's why I changed the check for less than zero to an overflow check. (The test works because "count" is also unsigned.) Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
* include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-303-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
* Merge branch 'for_linus' of ↵Linus Torvalds2010-03-122-65/+18
|\ | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6: udf: use ext2_find_next_bit udf: Do not read inode before writing it udf: Fix unalloc space handling in udf_update_inode
| * udf: use ext2_find_next_bitAkinobu Mita2010-03-091-48/+1
| | | | | | | | | | | | | | | | Use ext2_find_next_bit (generic_find_next_le_bit) to find the set bit in little endian bitmap region. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
| * udf: Do not read inode before writing itJan Kara2010-03-091-3/+3
| | | | | | | | | | | | | | We needlessly read inode in udf_update_inode just before zeroing out the contents of the buffer. Fix it. Signed-off-by: Jan Kara <jack@suse.cz>
| * udf: Fix unalloc space handling in udf_update_inodeJan Kara2010-03-091-14/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | Writing of inode holding unallocated space info was broken because we first cleared the buffer and after that checked whether it contains a tag meaning the block holds unallocated space information. Fix the problem by checking appropriate in memory flag instead. Also cleanup the function a bit along the way - most importantly lock buffer when modifying its contents, check for buffer_write_io_error instead of !buffer_uptodate, etc.. Signed-off-by: Jan Kara <jack@suse.cz>
* | Merge branch 'for-next' into for-linusJiri Kosina2010-03-081-1/+1
|\ \ | |/ |/| | | | | | | | | | | | | Conflicts: Documentation/filesystems/proc.txt arch/arm/mach-u300/include/mach/debug-macro.S drivers/net/qlge/qlge_ethtool.c drivers/net/qlge/qlge_main.c drivers/net/typhoon.c
| * tree-wide: fix 'lenght' typo in comments and codeDaniel Mack2010-02-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | Some misspelled occurences of 'octet' and some comments were also fixed as I was on it. Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Jiri Kosina <trivial@kernel.org> Cc: Joe Perches <joe@perches.com> Cc: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | Merge branch 'for_linus' of ↵Linus Torvalds2010-03-055-23/+77
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: (33 commits) quota: stop using QUOTA_OK / NO_QUOTA dquot: cleanup dquot initialize routine dquot: move dquot initialization responsibility into the filesystem dquot: cleanup dquot drop routine dquot: move dquot drop responsibility into the filesystem dquot: cleanup dquot transfer routine dquot: move dquot transfer responsibility into the filesystem dquot: cleanup inode allocation / freeing routines dquot: cleanup space allocation / freeing routines ext3: add writepage sanity checks ext3: Truncate allocated blocks if direct IO write fails to update i_size quota: Properly invalidate caches even for filesystems with blocksize < pagesize quota: generalize quota transfer interface quota: sb_quota state flags cleanup jbd: Delay discarding buffers in journal_unmap_buffer ext3: quota_write cross block boundary behaviour quota: drop permission checks from xfs_fs_set_xstate/xfs_fs_set_xquota quota: split out compat_sys_quotactl support from quota.c quota: split out netlink notification support from quota.c quota: remove invalid optimization from quota_sync_all ... Fixed trivial conflicts in fs/namei.c and fs/ufs/inode.c
| * | dquot: cleanup dquot initialize routineChristoph Hellwig2010-03-054-12/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the initialize dquot operation - it is now always called from the filesystem and if a filesystem really needs it's own (which none currently does) it can just call into it's own routine directly. Rename the now static low-level dquot_initialize helper to __dquot_initialize and vfs_dq_init to dquot_initialize to have a consistent namespace. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: move dquot initialization responsibility into the filesystemChristoph Hellwig2010-03-053-1/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently various places in the VFS call vfs_dq_init directly. This means we tie the quota code into the VFS. Get rid of that and make the filesystem responsible for the initialization. For most metadata operations this is a straight forward move into the methods, but for truncate and open it's a bit more complicated. For truncate we currently only call vfs_dq_init for the sys_truncate case because open already takes care of it for ftruncate and open(O_TRUNC) - the new code causes an additional vfs_dq_init for those which is harmless. For open the initialization is moved from do_filp_open into the open method, which means it happens slightly earlier now, and only for regular files. The latter is fine because we don't need to initialize it for operations on special files, and we already do it as part of the namespace operations for directories. Add a dquot_file_open helper that filesystems that support generic quotas can use to fill in ->open. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: cleanup dquot drop routineChristoph Hellwig2010-03-052-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the drop dquot operation - it is now always called from the filesystem and if a filesystem really needs it's own (which none currently does) it can just call into it's own routine directly. Rename the now static low-level dquot_drop helper to __dquot_drop and vfs_dq_drop to dquot_drop to have a consistent namespace. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: move dquot drop responsibility into the filesystemChristoph Hellwig2010-03-051-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently clear_inode calls vfs_dq_drop directly. This means we tie the quota code into the VFS. Get rid of that and make the filesystem responsible for the drop inside the ->clear_inode superblock operation. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: cleanup dquot transfer routineChristoph Hellwig2010-03-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the transfer dquot operation - it is now always called from the filesystem and if a filesystem really needs it's own (which none currently does) it can just call into it's own routine directly. Rename the now static low-level dquot_transfer helper to __dquot_transfer and vfs_dq_transfer to dquot_transfer to have a consistent namespace, and make the new dquot_transfer return a normal negative errno value which all callers expect. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: move dquot transfer responsibility into the filesystemChristoph Hellwig2010-03-051-1/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently notify_change calls vfs_dq_transfer directly. This means we tie the quota code into the VFS. Get rid of that and make the filesystem responsible for the transfer. Most filesystems already do this, only ufs and udf need the code added, and for jfs it needs to be enabled unconditionally instead of only when ACLs are enabled. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: cleanup inode allocation / freeing routinesChristoph Hellwig2010-03-051-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the alloc_inode and free_inode dquot operations - they are always called from the filesystem and if a filesystem really needs their own (which none currently does) it can just call into it's own routine directly. Also get rid of the vfs_dq_alloc/vfs_dq_free wrappers and always call the lowlevel dquot_alloc_inode / dqout_free_inode routines directly, which now lose the number argument which is always 1. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
| * | dquot: cleanup space allocation / freeing routinesChristoph Hellwig2010-03-051-15/+20
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the alloc_space, free_space, reserve_space, claim_space and release_rsv dquot operations - they are always called from the filesystem and if a filesystem really needs their own (which none currently does) it can just call into it's own routine directly. Move shared logic into the common __dquot_alloc_space, dquot_claim_space_nodirty and __dquot_free_space low-level methods, and rationalize the wrappers around it to move as much as possible code into the common block for CONFIG_QUOTA vs not. Also rename all these helpers to be named dquot_* instead of vfs_dq_*. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz>
* | pass writeback_control to ->write_inodeChristoph Hellwig2010-03-052-3/+3
| | | | | | | | | | | | | | | | | | | | This gives the filesystem more information about the writeback that is happening. Trond requested this for the NFS unstable write handling, and other filesystems might benefit from this too by beeing able to distinguish between the different callers in more detail. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | sanitize const/signedness for udfAl Viro2010-03-035-19/+19
|/ | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* udf: Avoid IO in udf_clear_inodeJan Kara2009-12-143-22/+41
| | | | | | | | | | | | | | | | | | | It is not very good to do IO in udf_clear_inode. First, VFS does not really expect inode to become dirty there and thus we have to write it ourselves, second, memory reclaim gets blocked waiting for IO when it does not really expect it, third, the IO pattern (e.g. on umount) resulting from writes in udf_clear_inode is bad and it slows down writing a lot. The reason why UDF needed to do IO in udf_clear_inode is that UDF standard mandates extent length to exactly match inode size. But when we allocate extents to a file or directory, we don't really know what exactly the final file size will be and thus temporarily set it to block boundary and later truncate it to exact length in udf_clear_inode. Now, this is changed to truncate to final file size in udf_release_file for regular files. For directories and symlinks, we do the truncation at the moment when learn what the final file size will be. Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Try harder when looking for VAT inodeJan Kara2009-12-141-8/+24
| | | | | | | | Some disks do not contain VAT inode in the last recorded block as required by the standard but a few blocks earlier (or the number of recorded blocks is wrong). So look for the VAT inode a bit before the end of the media. Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Fix compilation with UDFFS_DEBUG enabledJan Kara2009-12-141-1/+1
| | | | Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Fix possible corruption when close races with writeJan Kara2009-09-141-0/+2
| | | | | | | | When we close a file, we remove preallocated blocks from it. But this truncation was not protected by i_mutex and thus it could have raced with a write through a different fd and cause crashes or even filesystem corruption. Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Perform preallocation only for regular filesJan Kara2009-09-141-9/+10
| | | | | | | | | | | | | | | | So far we preallocated blocks also for directories but that brings a problem, when to get rid of preallocated blocks we don't need. So far we removed them in udf_clear_inode() which has a disadvantage that 1) blocks are unavailable long after writing to a directory finished and thus one can get out of space unnecessarily early 2) releasing blocks from udf_clear_inode is problematic because VFS does not expect us to redirty inode there and it also slows down memory reclaim. So preallocate blocks only for regular files where we can drop preallocation in udf_release_file. Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Remove wrong assignment in udf_symlinkJan Kara2009-09-141-1/+0
| | | | | | | Recomputation of the pointer was wrong (it should have been just increment). Luckily, we never use the computed value. Remove it. Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Remove dead codeJan Kara2009-09-142-90/+0
| | | | | | Remove code that gets never used. Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Fix loading of VAT inode when drive wrongly reports number of recorded ↵Jan Kara2009-07-301-0/+12
| | | | | | | | | | | | blocks VAT inode is located in the last block recorded block of the medium. When the drive errorneously reports number of recorded blocks, we failed to load the VAT inode and thus mount the medium. This patch makes kernel try to read VAT inode from the last block of the device if it is different from the last recorded block. Signed-off-by: Jan Kara <jack@suse.cz>
* udf: remove redundant tests on unsignedRoel Kluin2009-06-241-5/+4
| | | | | | | | first_block and goal are unsigned. When negative they are wrapped and caught by the other test. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Use device size when drive reported bogus number of written blocksJan Kara2009-06-181-1/+6
| | | | | | | | Some drives report 0 as the number of written blocks when there are some blocks recorded. Use device size in such case so that we can automagically mount such media. Signed-off-by: Jan Kara <jack@suse.cz>
* switch udf to simple_fsync()Al Viro2009-06-115-58/+3
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* Push BKL down into ->remount_fs()Alessio Igor Bogani2009-06-111-1/+5
| | | | | | | [xfs, btrfs, capifs, shmem don't need BKL, exempt] Signed-off-by: Alessio Igor Bogani <abogani@texware.it> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* push BKL down into ->put_superChristoph Hellwig2009-06-111-0/+5
| | | | | | | | | | | | | | | | | Move BKL into ->put_super from the only caller. A couple of filesystems had trivial enough ->put_super (only kfree and NULLing of s_fs_info + stuff in there) to not get any locking: coda, cramfs, efs, hugetlbfs, omfs, qnx4, shmem, all others got the full treatment. Most of them probably don't need it, but I'd rather sort that out individually. Preferably after all the other BKL pushdowns in that area. [AV: original used to move lock_super() down as well; these changes are removed since we don't do lock_super() at all in generic_shutdown_super() now] [AV: fuse, btrfs and xfs are known to need no damn BKL, exempt] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* block: Do away with the notion of hardsect_sizeMartin K. Petersen2009-05-221-1/+1
| | | | | | | | | | | | | | Until now we have had a 1:1 mapping between storage device physical block size and the logical block sized used when addressing the device. With SATA 4KB drives coming out that will no longer be the case. The sector size will be 4KB but the logical block size will remain 512-bytes. Hence we need to distinguish between the physical block size and the logical ditto. This patch renames hardsect_size to logical_block_size. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* udf: Don't write integrity descriptor too oftenJan Kara2009-04-025-47/+52
| | | | | | | | | | | | | | | | We update information in logical volume integrity descriptor after each allocation (as LVID contains free space, number of directories and files on disk etc.). If the filesystem is on some phase change media, this leads to its quick degradation as such media is able to handle only 10000 overwrites or so. We solve the problem by writing new information into LVID only on umount, remount-ro and sync. This solves the problem at the price of longer media inconsistency (previously media became consistent after pdflush flushed dirty LVID buffer) but that should be acceptable. Report by and patch written in cooperation with Rich Coe <Richard.Coe@med.ge.com>. Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Try anchor in block 256 firstJan Kara2009-04-022-248/+186
| | | | | | | | | | | | Anchor block can be located at several places on the medium. Two of the locations are relative to media end which is problematic to detect. Also some drives report some block as last but are not able to read it or any block nearby before it. So let's first try block 256 and if it is all fine, don't look at other possible locations of anchor blocks to avoid IO errors. This change required a larger reorganization of code but the new code is hopefully more readable and definitely shorter. Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Some type fixes and cleanupsJan Kara2009-04-021-6/+4
| | | | | | | | Make udf_check_valid() return 1 if the validity check passed and 0 otherwise. So far it was the other way around which was a bit confusing. Also make udf_vrs() return loff_t which is really the type it should return (not int). Signed-off-by: Jan Kara <jack@suse.cz>
* udf: use hardware sector sizeClemens Ladisch2009-04-022-21/+50
| | | | | | | | | | | | | | | | | | | This patch makes the UDF FS driver use the hardware sector size as the default logical block size, which is required by the UDF specifications. While the previous default of 2048 bytes was correct for optical disks, it was not for hard disks or USB storage devices, and made it impossible to use such a device with the default mount options. (The Linux mkudffs tool uses a default block size of 2048 bytes even on devices with smaller hardware sectors, so this bug is unlikely to be noticed unless UDF-formatted USB storage devices are exchanged with other OSs.) To avoid regressions for people who use loopback optical disk images or who used the (sometimes wrong) defaults of mkudffs, we also try with a block size of 2048 bytes if no anchor was found with the hardware sector size. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: fix novrs mount optionClemens Ladisch2009-04-021-0/+1
| | | | | | | The novrs mount option was broken due to a missing break. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Fix oops when invalid character in filename occursJan Kara2009-04-021-5/+16
| | | | | | | | | Functions udf_CS0toNLS() and udf_NLStoCS0() didn't count with the fact that NLS can return negative length when invalid character is given to it for conversion. Thus interesting things could happen (such as overwriting random memory with the rest of filename). Add appropriate checks. Signed-off-by: Jan Kara <jack@suse.cz>
* udf: return f_fsid for statfs(2)Coly Li2009-04-021-1/+3
| | | | | | | | This patch makes udf return f_fsid info for statfs(2). Signed-off-by: Coly Li <coly.li@suse.de> Cc: Jan Kara <jack@suse.cz> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: Add checks to not underflow sector_tJan Kara2009-04-021-8/+13
| | | | Signed-off-by: Jan Kara <jack@suse.cz>
* udf: fix default mode and dmode options handlingMarcin Slusarz2009-04-023-6/+8
| | | | | | | | | | On x86 (and several other archs) mode_t is defined as "unsigned short" and comparing unsigned shorts to negative ints is broken (because short is promoted to int and then compared). Fix it. Reported-and-tested-by: Laurent Riffard <laurent.riffard@free.fr> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: fix sparse warnings:Jan Kara2009-04-021-14/+8
| | | | | | | | | | | | Fix sparse warnings: fs/udf/balloc.c:843:3: warning: returning void-valued expression fs/udf/balloc.c:847:3: warning: returning void-valued expression fs/udf/balloc.c:851:3: warning: returning void-valued expression fs/udf/balloc.c:855:3: warning: returning void-valued expression Reported-by: Hannes Eder <hannes@hanneseder.net> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: unsigned last[i] cannot be less than 0roel kluin2009-04-021-2/+0
| | | | | | | unsigned last[i] cannot be less than 0 Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: implement mode and dmode mounting optionsMarcin Slusarz2009-04-023-3/+41
| | | | | | | | | "dmode" allows overriding permissions of directories and "mode" allows overriding permissions of files. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Jan Kara <jack@suse.cz> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: reduce stack usage of udf_get_filenameMarcin Slusarz2009-04-021-16/+25
| | | | | | | | | | | | Allocate strings with kmalloc. Checkstack output: Before: udf_get_filename: 600 After: udf_get_filename: 136 Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Jan Kara <jack@suse.cz> Signed-off-by: Jan Kara <jack@suse.cz>
* udf: reduce stack usage of udf_load_pvoldescMarcin Slusarz2009-04-021-11/+25
| | | | | | | | | | | Allocate strings with kmalloc. Checkstack output: Before: udf_process_sequence: 712 After: udf_process_sequence: 200 Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
* Fix the udf code not to pass structs on stack where possible.Pekka Enberg2009-04-0210-116/+130
| | | | | Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Jan Kara <jack@suse.cz>
* Remove struct typedefs from fs/udf/ecma_167.h et al.Pekka Enberg2009-04-0215-442/+444
| | | | | Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Jan Kara <jack@suse.cz>
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