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* fs/ntfs3: Add ability to format new mft records with bigger/smaller headerKonstantin Komarov2023-07-021-0/+9
| | | | | | | | | Just define in ntfs.h #define MFTRECORD_FIXUP_OFFSET MFTRECORD_FIXUP_OFFSET_1 or #define MFTRECORD_FIXUP_OFFSET MFTRECORD_FIXUP_OFFSET_3 Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* fs/ntfs3: Code refactoringKonstantin Komarov2023-07-021-50/+58
| | | | | | Check functions arguments. Use u8 instead of size_t for ntfs names, more consts and other. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* fs/ntfs3: Refactoring of various minor issuesKonstantin Komarov2023-03-271-3/+0
| | | | | | | | Removed unused macro. Changed null pointer checking. Fixed inconsistent indenting. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* fs/ntfs3: Fix wrong if in hdr_first_deKonstantin Komarov2022-11-141-2/+3
| | | | | | We need to check used bytes instead of total. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* fs/ntfs3: Use ALIGN kernel macroKonstantin Komarov2022-11-141-1/+0
| | | | | | This way code will be more readable. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* fs/ntfs3: Change max hardlinks limit to 4000Konstantin Komarov2021-09-211-3/+5
| | | | | | | | | | xfstest generic/041 works with 3003 hardlinks. Because of this we raise hardlinks limit to 4000. There are no drawbacks or regressions. Theoretically we can raise all the way up to ffff, but there is no practical use for this. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* fs/ntfs3: Always use binary search with entry searchKari Argillander2021-09-131-3/+0
| | | | | | | | | | We do not have any reason to keep old linear search in. Before this was used for error path or if table was so big that it cannot be allocated. Current binary search implementation won't need error path. Remove old references to linear entry search. Signed-off-by: Kari Argillander <kari.argillander@gmail.com> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* fs/ntfs3: Add missing header files to ntfs.hKari Argillander2021-09-131-0/+9
| | | | | | | | | | | | | | | | | | We do not have header files at all in this file. Add following headers and there is also explanation which for it was added. Note that explanation might not be complete, but it just proofs it is needed. <linux/blkdev.h> // SECTOR_SHIFT <linux/build_bug.h> // static_assert() <linux/kernel.h> // cpu_to_le64, cpu_to_le32, ALIGN <linux/stddef.h> // offsetof() <linux/string.h> // memcmp() <linux/types.h> //__le32, __le16 "debug.h" // PtrOffset(), Add2Ptr() Signed-off-by: Kari Argillander <kari.argillander@gmail.com> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* fs/ntfs3: Restyle comments to better align with kernel-docKonstantin Komarov2021-08-311-1/+1
| | | | Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* fs/ntfs3: Restyle comments to better align with kernel-docKari Argillander2021-08-301-268/+243
| | | | | | | | | | | | | | | | | | Capitalize comments and end with period for better reading. Also function comments are now little more kernel-doc style. This way we can easily convert them to kernel-doc style if we want. Note that these are not yet complete with this style. Example function comments start with /* and in kernel-doc style they start /**. Use imperative mood in function descriptions. Change words like ntfs -> NTFS, linux -> Linux. Use "we" not "I" when commenting code. Signed-off-by: Kari Argillander <kari.argillander@gmail.com> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* fs/ntfs3: Use kernel ALIGN macros over driver specificKari Argillander2021-08-271-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The static checkers (Smatch) were complaining because QuadAlign() was buggy. If you try to align something higher than UINT_MAX it got truncated to a u32. Smatch warning was: fs/ntfs3/attrib.c:383 attr_set_size_res() warn: was expecting a 64 bit value instead of '~7' So that this will not happen again we will change all these macros to kernel made ones. This can also help some other static analyzing tools to give us better warnings. Patch was generated with Coccinelle script and after that some style issue was hand fixed. Coccinelle script: virtual patch @alloc depends on patch@ expression x; @@ ( - #define QuadAlign(n) (((n) + 7u) & (~7u)) | - QuadAlign(x) + ALIGN(x, 8) | - #define IsQuadAligned(n) (!((size_t)(n)&7u)) | - IsQuadAligned(x) + IS_ALIGNED(x, 8) | - #define Quad2Align(n) (((n) + 15u) & (~15u)) | - Quad2Align(x) + ALIGN(x, 16) | - #define IsQuad2Aligned(n) (!((size_t)(n)&15u)) | - IsQuad2Aligned(x) + IS_ALIGNED(x, 16) | - #define Quad4Align(n) (((n) + 31u) & (~31u)) | - Quad4Align(x) + ALIGN(x, 32) | - #define IsSizeTAligned(n) (!((size_t)(n) & (sizeof(size_t) - 1))) | - IsSizeTAligned(x) + IS_ALIGNED(x, sizeof(size_t)) | - #define DwordAlign(n) (((n) + 3u) & (~3u)) | - DwordAlign(x) + ALIGN(x, 4) | - #define IsDwordAligned(n) (!((size_t)(n)&3u)) | - IsDwordAligned(x) + IS_ALIGNED(x, 4) | - #define WordAlign(n) (((n) + 1u) & (~1u)) | - WordAlign(x) + ALIGN(x, 2) | - #define IsWordAligned(n) (!((size_t)(n)&1u)) | - IsWordAligned(x) + IS_ALIGNED(x, 2) | ) Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Kari Argillander <kari.argillander@gmail.com> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* fs/ntfs3: Add ifndef + define to all header filesKari Argillander2021-08-271-0/+3
| | | | | | | Add guards so that compiler will only include header files once. Signed-off-by: Kari Argillander <kari.argillander@gmail.com> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
* fs/ntfs3: Add headers and misc filesKonstantin Komarov2021-08-131-0/+1238
This adds headers and misc files Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
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