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2007-01-18NTFS: 2.1.28 - Fix deadlock reported by Sergey Vlasov due to ntfs_put_inode().Anton Altaparmakov
- Fix deadlock in fs/ntfs/inode.c::ntfs_put_inode(). Thanks to Sergey Vlasov for the report and detailed analysis of the deadlock. The fix involved getting rid of ntfs_put_inode() altogether and hence NTFS no longer has a ->put_inode super operation. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-03-23NTFS: Semaphore to mutex conversion.Ingo Molnar
The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-03-23NTFS: Handle the recently introduced -ENAMETOOLONG return value fromAnton Altaparmakov
fs/ntfs/unistr.c::ntfs_nlstoucs() in fs/ntfs/namei.c::ntfs_lookup(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-03-23NTFS: Add a missing call to flush_dcache_mft_record_page() inAnton Altaparmakov
fs/ntfs/inode.c::ntfs_write_inode(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-03-23NTFS: Fix a bug in fs/ntfs/inode.c::ntfs_read_locked_index_inode() where weAnton Altaparmakov
forgot to update a temporary variable so loading index inodes which have an index allocation attribute failed. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-03-23NTFS: Improve comments on file attribute flags in fs/ntfs/layout.h.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-03-23NTFS: Limit name length in fs/ntfs/unistr.c::ntfs_nlstoucs() to maximumAnton Altaparmakov
allowed by NTFS, i.e. 255 Unicode characters, not including the terminating NULL (which is not stored on disk). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-03-23NTFS: Remove all the make_bad_inode() calls. This should only be calledAnton Altaparmakov
from read inode and new inode code paths. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-03-23NTFS: Add support for sparse files which have a compression unit of 0.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-03-23NTFS: Fix comparison of $MFT and $MFTMirr to not bail out when there areAnton Altaparmakov
unused, invalid mft records which are the same in both $MFT and $MFTMirr. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-03-23NTFS: Use buffer_migrate_page() for the ->migratepage function of all ntfsAnton Altaparmakov
address space operations. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-03-23NTFS: Fix a buggette in an "should be impossible" case handling where weAnton Altaparmakov
continued the attribute lookup loop instead of aborting it. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-03-23NTFS: Fix an (innocent) off-by-one error in the runlist code.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-02-24NTFS: Do more detailed reporting of why we cannot mount read-write byAnton Altaparmakov
special casing the VOLUME_MODIFIED_BY_CHKDSK flag. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-02-24NTFS: Implement support for sector sizes above 512 bytes (up to the maximumAnton Altaparmakov
supported by NTFS which is 4096 bytes).
2006-02-24NTFS: - Cope with attribute list attribute having invalid flags.Anton Altaparmakov
Windows copes with this and even chkdsk does not detect or fix this so we have to cope with it, too. Thanks to Pawel Kot for reporting the problem. - Miscellaneous updates to layout.h. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2006-01-03update the email address of Randy DunlapAdrian Bunk
This patch removes all references to the bouncing address rddunlap@osdl.org and one dead web page from the kernel. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Randy Dunlap <rdunlap@xenotime.net>
2005-10-24NTFS: Document extended attribute ($EA) NEED_EA flag. (Based on libntfsAnton Altaparmakov
patch by Yura Pakhuchiy.) Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-24NTFS: Fix compilation warnings with gcc-4.0.2 on SUSE 10.0.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-24NTFS: Use %z for size_t to fix compilation warnings. (Andrew Morton)Anton Altaparmakov
Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-19NTFS: $EA attributes can be both resident non-resident.Anton Altaparmakov
Minor tidying. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-11NTFS: The big ntfs write(2) rewrite has arrived. We now implement our ownAnton Altaparmakov
file operations ->write(), ->aio_write(), and ->writev() for regular files. This replaces the old use of generic_file_write(), et al and the address space operations ->prepare_write and ->commit_write. This means that both sparse and non-sparse (unencrypted and uncompressed) files can now be extended using the normal write(2) code path. There are two limitations at present and these are that we never create sparse files and that we only have limited support for highly fragmented files, i.e. ones whose data attribute is split across multiple extents. When such a case is encountered, EOPNOTSUPP is returned. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-11NTFS: In attrib.c::ntfs_attr_set() call balance_dirty_pages_ratelimited()Anton Altaparmakov
and cond_resched() in the main loop as we could be dirtying a lot of pages and this ensures we play nice with the VM and the system as a whole. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-04NTFS: Enable ATTR_SIZE attribute changes in ntfs_setattr(). This completesAnton Altaparmakov
the initial implementation of file truncation. Now both open(2)ing a file with the O_TRUNC flag and the {,f}truncate(2) system calls will resize a file appropriately. The limitations are that only uncompressed and unencrypted files are supported. Also, there is only very limited support for highly fragmented files (the ones whose $DATA attribute is split into multiple attribute extents). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-04NTFS: Implement fs/ntfs/inode.[hc]::ntfs_truncate(). It only supportsAnton Altaparmakov
uncompressed and unencrypted files. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-04NTFS: Add fs/ntfs/attrib.[hc]::ntfs_attr_extend_allocation(), a function toAnton Altaparmakov
extend the allocation of an attributes. Optionally, the data size, but not the initialized size can be extended, too. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-04NTFS: Fix ntfs_attr_make_non_resident() to update the vfs inode i_blocksAnton Altaparmakov
which is zero for a resident attribute but should no longer be zero once the attribute is non-resident as it then has real clusters allocated. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-04NTFS: Change ntfs_attr_make_non_resident to take the attribute value sizeAnton Altaparmakov
as an extra parameter. This is needed since we need to know the size before we can map the mft record and our callers always know it. The reason we cannot simply read the size from the vfs inode i_size is that this is not necessarily uptodate. This happens when ntfs_attr_make_non_resident() is called in the ->truncate call path. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-04NTFS: - Change ntfs_cluster_alloc() to take an extra boolean parameterAnton Altaparmakov
specifying whether the cluster are being allocated to extend an attribute or to fill a hole. - Change ntfs_attr_make_non_resident() to call ntfs_cluster_alloc() with @is_extension set to TRUE and remove the runlist terminator fixup code as this is now done by ntfs_cluster_alloc(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-04NTFS: - Change {__,}ntfs_cluster_free() to also take an optional attributeAnton Altaparmakov
search context as argument. This allows calling it with the mft record mapped. Update all callers. - Fix potential deadlock in ntfs_mft_data_extend_allocation_nolock() error handling by passing in the active search context when calling ntfs_cluster_free(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-04NTFS: Change ntfs_attr_find_vcn_nolock() to also take an optional attributeAnton Altaparmakov
search context as argument. This allows calling it with the mft record mapped. Update all callers. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-04NTFS: Change ntfs_map_runlist_nolock() to also take an optional attributeAnton Altaparmakov
search context. This allows calling it with the mft record mapped. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-10-04NTFS: Fix a stupid bug in __ntfs_bitmap_set_bits_in_run() which caused theAnton Altaparmakov
count to become negative and hence we had a wild memset() scribbling all over the system's ram. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-26NTFS: More $LogFile handling fixes: when chkdsk has been run, it can leave theAnton Altaparmakov
restart pages in the journal without multi sector transfer protection fixups (i.e. the update sequence array is empty and in fact does not exist). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-23NTFS: Change ntfs_cluster_free() to require a write locked runlist on entryAnton Altaparmakov
since we otherwise get into a lock reversal deadlock if a read locked runlist is passed in. In the process also change it to take an ntfs inode instead of a vfs inode as parameter. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-22NTFS: Fix sparse warnings that have crept in over time.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-19NTFS: Fix various bugs in the runlist merging code. (Based on libntfsAnton Altaparmakov
changes by Richard Russon.) Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-12NTFS: Mask out __GFP_HIGHMEM when doing kmalloc() in __ntfs_malloc() as itAnton Altaparmakov
otherwise causes a BUG(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-12NTFS: Change the mount options {u,f,d}mask to always parse the number asAnton Altaparmakov
an octal number to conform to how chmod(1) works, too. Thanks to Giuseppe Bilotta and Horst von Brand for pointing out the errors of my ways. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: 2.1.24 release and some minor final fixes.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Improve scalability by changing the driver global spin lock inAnton Altaparmakov
fs/ntfs/aops.c::ntfs_end_buffer_async_read() to a bit spin lock in the first buffer head of a page. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fix page_has_buffers()/page_buffers() handling in fs/ntfs/aops.c.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fixup handling of sparse, compressed, and encrypted attributes inAnton Altaparmakov
fs/ntfs/aops.c::ntfs_readpage(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fix fs/ntfs/aops.c::ntfs_{read,write}_block() to handle the caseAnton Altaparmakov
where a concurrent truncate has truncated the runlist under our feet. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Optimize fs/ntfs/aops.c::ntfs_write_block() by extending the pageAnton Altaparmakov
lock protection over the buffer submission for i/o which allows the removal of the get_bh()/put_bh() pairs for each buffer. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fixup handling of sparse, compressed, and encrypted attributes inAnton Altaparmakov
fs/ntfs/aops.c::ntfs_writepage(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Make ntfs_write_block() not instantiate sparse blocks if they are zero.Anton Altaparmakov
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fixup handling of sparse, compressed, and encrypted attributes inAnton Altaparmakov
fs/ntfs/inode.c::ntfs_read_locked_{,attr_,index_}inode(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Truncate {a,c,m}time to the ntfs supported time granularity whenAnton Altaparmakov
updating the times in the inode in ntfs_setattr(). Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
2005-09-08NTFS: Fix cluster (de)allocators to work when the runlist is NULL and moreAnton Altaparmakov
importantly to take a locked runlist rather than them locking it which leads to lock reversal. Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
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