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2005-07-25 Theodore Ts'o <tytso@mit.edu>
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* test_io.c (safe_getenv): Pass in zero to the unusued arguments
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of prctl(PR_GET_DUMPABLE) to avoid false positives from
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2005-07-19 Theodore Ts'o <tytso@mit.edu>
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* mkjournal.c (ext2fs_add_journal_inode): Check for the case where
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the filesystem is apparently not mounted, but the device
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is still busy. This can happen when the luser doesn't
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bother to mount /proc and has a bogus /etc/mtab, but still
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wants to mount the filesystem before using tune2fs(?!?).
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Add a safety check to save him from his own stupidity, at
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least on 2.6 kernels. (Addresses Debian Bug #319002)
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2005-07-09 Andreas Dilger <adilger@clusterfs.com>
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* getsize.c (ext2fs_get_device_size): Use fstat/fstat64 to get
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size of regular files. Fix file descriptor leaks in error
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2006-06-30 Theodore Ts'o <tytso@mit.edu>
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* Release of E2fsprogs 1.38
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2005-06-30 Theodore Ts'o <tytso@mit.edu>
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* bitops.h, bitops.c (ext2fs_set_bit, ext2fs_clear_bit,
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ext2fs_test_bit): Change these function prototypes to be
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unsigned int's. Negative bit numbers were never allowed
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(and never made any sense), so this should be a safe
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change. This is needed to allow safe use of block numbers
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greater than or equal to 2**31.
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2005-06-27 Stephen Tweedie <sct@redhat.com>
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* ext2fs.h (ext2fs_resize_mem): Fix C99 strict type aliasing
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problems. Addresses Red Hat Bugzilla #161183.
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2005-06-19 Theodore Ts'o <tytso@mit.edu>
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* getsectsize.c (BLKSSZGET): Clean up test for when to manually
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define the BLKSSZGET ioctl.
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2005-05-29 Theodore Ts'o <tytso@mit.edu>
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* ismounted.c (ext2fs_check_mount_point): Add test to see if the
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device appears to be busy; this only works on Linux 2.6+
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systems, but provides some additional bullet-proofing in
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2005-05-08 Theodore Ts'o <tytso@mit.edu>
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* test_io.c (safe_getenv): Fix bug so it would fetch the right
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2005-04-09 Theodore Ts'o <tytso@mit.edu>
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* inode.c (ext2fs_write_new_inode),
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ind_block.c (ext2fs_read_ind_block): Add missing return
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value in error return case. (Otherwise we return garbage
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instead of the error code.)
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2005-03-31 Theodore Ts'o <tytso@mit.edu>
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* test_io.c (test_open): If called by a setuid/setgid or an
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otherwise privileged program, be paranoid and ignore the
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TEST_IO_* environment variables.
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2005-03-21 Theodore Ts'o <tytso@mit.edu>
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* Release of E2fsprogs 1.37
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2005-03-21 Theodore Ts'o <tytso@mit.edu>
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* ext2_ext_attr.h (EXT2_XATTR_LEN, EXT2_XATTR_SIZE): Add new
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convenience cpp macros.
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2005-03-20 Theodore Ts'o <tytso@mit.edu>
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* mkdir.c (ext2fs_mkdir): Call ext2fs_write_new_inode() instead of
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* inode.c (ext2fs_write_new_inode): New function which should be
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used when the caller is writing an inode for the first
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time. It makes sure that the extra portion of the large
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inode is initialized properly.
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2005-03-18 Theodore Ts'o <tytso@mit.edu>
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* Makefile.in: Fix clean target to remove tst_getsectsize.
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* getsize.c (ext2fs_get_device_size): Check to see if the number
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of blocks is greater than 2**32 when we are doing a binary
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search to determine the device size. Thanks to Stephen
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Tweedie for the patch.
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2006-02-05 Theodore Ts'o <tytso@mit.edu>
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* Release of E2fsprogs 1.36
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2005-02-05 Theodore Ts'o <tytso@mit.edu>
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* Makefile.in: Remove ext2fs.pc on a "make distclean"
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2005-02-04 Theodore Ts'o <tytso@mit.edu>
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* Makefile.in (clean): Remove tst_getsize when doing a make clean
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2005-02-03 Theodore Ts'o <tytso@mit.edu>
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* bitops.c: Make the generic functions more efficient.
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* bitops.h: Drop SPARC assembly code. It's less efficient than GCC
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3.4 compiled code and also triggers nasty compiler
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warnings on sparc64. Thanks to Matthias Andree for his
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analysis and suggestion.
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2005-01-27 Theodore Ts'o <tytso@mit.edu>
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* res_gdt.c (ext2fs_create_resize_inode): Create the resize inode
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even if s_reserved_gdt_blocks is zero.
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2005-01-26 Theodore Ts'o <tytso@mit.edu>
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* ext2fs.pc.in: Add pkg-config files.
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2005-01-25 Theodore Ts'o <tytso@mit.edu>
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* ext2fs.h: Add definition of struct ext2_inode_large
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* ext2_fs.h: Add new function prototypes
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* ext_attr.c (ext2fs_read_ext_attr, ext2fs_write_ext_attr): The
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ext2fs_swap_ext_attr() has been moved to swapfs.c, and
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given a new argument, has_header.
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* swapfs.c (ext2fs_swap_ext_attr): Moved from ext_attr.c, and
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takes an argument which controls whether or not there is
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an EA header which needs to be byteswaped.
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(ext2fs_swap_inode_full): New function which byte-swaps
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* inode.c (ext2fs_get_next_inode_full, ext2fs_read_inode_full,
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ext2fs_write_inode_full): New functions, originally from
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Alex Tomas, but which needed to be substantially fixed so
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that the tests wouldn't cause major stack overwrite bugs
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in byte-swapping is enabled.
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2005-01-18 Theodore Ts'o <tytso@mit.edu>
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* Makefile.in: Fix the kernel compile-time echo commands to be
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consistent and portable
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2005-01-07 Theodore Ts'o <tytso@mit.edu>
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* unlink.c (ext2fs_unlink): If both the name and the inode number
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are unspecified, then return an error, so that we don't do
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something surprising such as unconditionally deleting the
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first directory entry.
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(unlink_proc): Delete directory entries by coalescing it
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with the previous entry, to avoid directory fragmentation.
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2005-01-06 Theodore Ts'o <tytso@mit.edu>
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* version.c (ext2fs_parse_version_string): Change parsing
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algorithm so that version strings such as 1.36-rc1 returns
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a non-surprising result (i.e., 136, and not 1361).
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2005-01-05 Theodore Ts'o <tytso@mit.edu>
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* block.c (block_iterate_ind, block_iterate_dind,
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block_iterate_tind): Move the code which byte swaps and
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read/writes indirect blocks to ext2fs_{read,write}_ind_block.
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This saves 400 bytes, and we need them for the
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resize_inode handling.
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* ind_block.c (ext2fs_read_ind_block, ext2fs_write_ind_block): New
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* res_gdt.c (ext2fs_create_resize_inode): Use
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ext2fs_{read,write}_ind_block so that byte swapping is
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handled on big-endian systems.
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* dupfs.c (ext2fs_dup_handle): Make sure the new filesystem handle
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has its own copy of the orig_super data structure. (This
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is a better way of fixing a double-free problem in
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resize2fs which Fedora attempted to fix in
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e2fsprogs-1.35-double_free.patch. Addresses Red Hat
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2004-12-23 Theodore Ts'o <tytso@mit.edu>
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* inode.c (ext2fs_flush_icache): When flushing the icache, clear
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the last-read block information as well.
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* ext2fs.h (BMAP_SET), bmap.c (ext2fs_bmap): Add support for new
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flag, BMAP_SET, which allows the caller to set a
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particular logical->physical block mapping.
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* ext2_err.et.in (EXT2_ET_SET_BMAP_NO_IND): New error code
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* initialize.c (calc_reserved_gdt_blocks): #ifdef out all
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debugging printf statements.
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* res_gdt.c (ext2fs_create_resize_inode): Return
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EXT2_ET_RESIZE_INODE_CORRUPT if the resize inode is not
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what we expect. #ifdef out all debugging printf
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* ext2_err.et.in (EXT2_ET_RESIZE_INODE_CORRUPT): Add new error code.
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2004-12-22 Theodore Ts'o <tytso@mit.edu>
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* swapfs.c (ext2fs_swap_super): Byteswap the reserved_gdt_blocks
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2004-12-15 Theodore Ts'o <tytso@mit.edu>
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* sparse.c (ext2fs_list_backups, ext2fs_bg_has_super),
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res_gdt.c (list_backups), closefs.c (ext2fs_bg_has_super),
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ext2fs.h: Move ext2fs_list_backups() to res_gdt.c, and
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ext2fs_bg_has_super() back to closefs.c. There's no
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reason for the new file, since list_backups() isn't being
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used by any other functions, and can be made static, and
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all users of the ext2fs filesystem will have to call
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ext2fs_close() anyway.
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2004-12-15 Theodore Ts'o <tytso@mit.edu>
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* Applied resize inode patch from Andreas Dilger
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* res_gdt.c (ext2fs_create_resize_inode): New function that
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creates the resize inode.
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* initialize.c (ext2fs_initialize): Reserve space for the resize
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* ext2fs.h (EXT2_LIB_FEATURE_COMPAT_SUPP): Add
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EXT2_FEATURE_COMPAT_RESIZE_INODE to the list of supported
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Add function prototypes for res_gdt.c and sparse.c.
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* closefs.c (ext2fs_super_and_bgd_loc): Take the reserved blocks
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into account when calculating the number of overhead
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* closefs.c (ext2fs_bg_has_super, test_root), sparse.c: Move these
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functions to the new file sparse.c
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* alloc_sb.c (ext2fs_reserve_super_and_bgd): Reserve the blocks
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saved in the resize inode as being in use.
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* ext2_err.et.in (EXT2_ET_RES_GDT_BLOCKS): Add new error code.
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* Makefile.in (srcdir): Add res_gdt.c and sparse.c to the ext2fs
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2004-12-14 Theodore Ts'o <tytso@mit.edu>
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* Makefile.in: Use Linux-kernel-style makefile output for "make
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* Makefile.in (installdirs): Use $(MKINSTALLDIRS) macro
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2004-11-30 Theodore Ts'o <tytso@mit.edu>
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* unix_io.c (unix_set_option): Add support for the offset option.
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* test_io.c (test_set_option): Add support for the set_option method.
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* ext2_io.h: Add new io_channel method, set_option(), and change
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io_channel_write_byte() from a macro to a library function.
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* ext2fs.h, openfs.c(ext2fs_open2): New version of ext2fs_open
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which adds a new parameter, io_options.
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(ext2fs_open): If there is a question mark in the
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filename, and no io_options are specified, assumed that
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the text following the question mark are io_options.
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* io_manager.c, Makefile.in: New source file which contains
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high-level functions for the io_channel layer.
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* freefs.c (ext2fs_free): Make sure we don't free the io_channel
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* Makefile.in: Use Linux-kernel-style makefile output to make it
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easier to see errors/warnings.
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2004-11-29 Theodore Ts'o <tytso@mit.edu>
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* ext2_fs.h (EXT2_EXTENTS_FL, EXT3_FEATURE_INCOMPAT_EXTENTS,
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EXT2_MAX_BLOCK_LOG_SIZE): Add definition for extent
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feature and inode flag. Change maximum allowable block
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2004-10-08 Theodore Ts'o <tytso@mit.edu>
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* getsize.c (ext2fs_get_device_size): Add support for Windows
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9x/NT under Cygwin. Thanks to Sam Robb
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(samrobb@users.sourceforge.net) for pointing this and the
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suggested code patch.
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2004-09-17 Theodore Ts'o <tytso@mit.edu>
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* getsize.c: Clean up header #include's.
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* llseek.c (ext2fs_llseek): On non-linux systems, use lseek64() if
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it is present. (Addresses Debian bug #269044)
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2004-07-28 Theodore Ts'o <tytso@mit.edu>
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* rw_bitmaps.c (read_bitmaps), block.c (block_iterate_ind,
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block_iterate_dind, block_iterate_tind), inode.c
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(ext2fs_read_inode): If EXT2_FLAG_IMAGE_FILE is set, so
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read the metadata from fs->image_io instead of fs->io.
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* initialize.c (ext2fs_initialize), openfs.c (ext2fs_open):
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Initialize fs->image_io to be the same as fs->io.
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* ext2_err.et.in (EXT2_ET_NOT_IMAGE_FILE): Add new error code.
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* openfs.c (ext2fs_get_data_io, ext2fs_set_data_io,
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ext2fs_rewrite_to_io): New functions that allow
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applications to manipulate fs->image_io and fs->io safely.
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* freefs.c (ext2fs_free): If fs->image_io is different fs->io,
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then call io_channel_close on fs->image_io.
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* ext2fs.h: Add image_io element to the ext2_filsys data
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structure. Add ext2fs_get_data_io() ext2fs_set_data_io(),
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and ext2fs_rewrite_to_io() prototypes.
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2004-05-26 Theodore Ts'o <tytso@mit.edu>
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* closefs.c (ext2fs_flush): Make sure the master superblock is
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written last, and only after other I/O has been flushed to
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disk. Thanks to Junfeng Yang from the Stanford
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Metacompilation group for pointing a potential ordering
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constraint problem if we don't write things out in the
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* test_io.c: Implement the ability to abort after n reads or
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writes to a particular block. The block is specified by
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TEST_IO_BLOCK environment variable, and the read/write
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count by the TEST_IO_READ_ABORT and TEST_IO_WRITE_ABORT
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environment variables. The block data is now only dumped
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if the 0x10 bit is set in TEST_IO_FLAGS.
1
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2004-04-03 Theodore Ts'o <tytso@mit.edu>
3
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* ext2_types.h.in: Remove check for _UUID_TYPES since uuid_types.h
added
removed
lib/ext2fs/ChangeLog
