Messages in this thread | | | From | Thomas Kühnel <> | Subject | [PATCH 0/3] fs/ntfs3: Fixes for big endian systems | Date | Tue, 7 Dec 2021 11:24:52 +0100 |
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I tried running the NTFS3 driver on a MIPS big endian system and noticed various errors when it tried to access bitmaps structures that are stored as little endian on disk.
These patches were mainly tested in a qemu mips environment.
I'm open for suggestions how to better implement the second patch "add functions to modify LE bitmaps". It adds copies of two functions from lib/bitmap.c but modified to work with little endian bitmaps. Other filesystems seem to have similar functions defined locally like le_bitmap_set in btrfs or ext4_set_bits in ext4 but no global implementation exists.
Thomas Kühnel (3): fs/ntfs3: fix endian conversion in ni_fname_name fs/ntfs3: add functions to modify LE bitmaps fs/ntfs3: use _le variants of bitops functions
fs/ntfs3/bitmap.c | 56 +++++++++++++++++++++++++++++++++++++++------- fs/ntfs3/frecord.c | 4 +++- fs/ntfs3/fslog.c | 4 ++-- fs/ntfs3/fsntfs.c | 8 +++---- fs/ntfs3/index.c | 14 ++++++------ fs/ntfs3/ntfs_fs.h | 3 +++ 6 files changed, 67 insertions(+), 22 deletions(-)
base-commit: 0fcfb00b28c0b7884635dacf38e46d60bf3d4eb1 -- 2.25.1
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