kernel/linux
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ synced 2026-11-10 20:48:12 +00:00
Code Issues Releases Packages Activity
linux/fs/ntfs/bitmap.c

292 lines
7.5 KiB
Raw Permalink Normal View History

Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
treewide: refresh kmalloc_obj() conversions This is another run of the Coccinelle script for converting kmalloc() family of allocations to kmalloc_obj() via the existing rules in scripts/coccinelle/api/kmalloc_objs.cocci This catches both the set of kmalloc() uses added since the first kmalloc_obj() conversions in v7.0 and adds a large group missed in the first pass due to Coccinelle not interacting well with the cleanup.h scoped_...() family of macros[1]. I worked around this with spatch's "--macro-file" argument to a file with all the scoped_...() macros mapped to Coccinelle's YACFE_ITERATOR[2] as that was the closest viable control flow indicator I could find. Build tested allmodconfig on x86, arm64, arm, loongarch, mips, powerpc, riscv, and s390 with no new warnings. Link: https://lore.kernel.org/lkml/202609021314.8A9C0B8@keescook/ [1] Link: https://github.com/coccinelle/coccinelle/blob/master/standard.h [2] Signed-off-by: Kees Cook <kees+treewide@kernel.org>
2026-09-02 15:31:14 -07:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
ntfs: fix FITRIM range alignment ntfs_trim_fs() aligns the start of a free extent up to the device discard granularity, but derives the discard length by aligning the original extent length down. When the free extent start is not discard-aligned, adding that length to the aligned start can extend the discard past the free extent and into allocated clusters. For example, with 4 KiB clusters and 32 KiB discard granularity, the free extent [4 KiB, 36 KiB) becomes the discard range [32 KiB, 64 KiB), so 28 KiB beyond the free extent may be discarded. Align the absolute end of the free extent down and derive the length from the two aligned endpoints. Skip extents that contain no full discard unit. Reproduced with a 4 KiB-cluster NTFS filesystem on scsi_debug configured for 32 KiB discard granularity and read-zero-after-trim. Before this change, FITRIM zeroed seven allocated 4 KiB clusters following an unaligned 32 KiB hole. With this change, the same data remains intact across FITRIM and remount. Fixes: 11ccc9107dc4 ("ntfs: update runlist handling and cluster allocator") Cc: stable@vger.kernel.org Assisted-by: OpenAI Codex:GPT-5.6 Sol Max Signed-off-by: Jacopo Labardi <jacopolabardi@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-08-30 02:15:36 +02:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
ntfs: fix FITRIM range alignment ntfs_trim_fs() aligns the start of a free extent up to the device discard granularity, but derives the discard length by aligning the original extent length down. When the free extent start is not discard-aligned, adding that length to the aligned start can extend the discard past the free extent and into allocated clusters. For example, with 4 KiB clusters and 32 KiB discard granularity, the free extent [4 KiB, 36 KiB) becomes the discard range [32 KiB, 64 KiB), so 28 KiB beyond the free extent may be discarded. Align the absolute end of the free extent down and derive the length from the two aligned endpoints. Skip extents that contain no full discard unit. Reproduced with a 4 KiB-cluster NTFS filesystem on scsi_debug configured for 32 KiB discard granularity and read-zero-after-trim. Before this change, FITRIM zeroed seven allocated 4 KiB clusters following an unaligned 32 KiB hole. With this change, the same data remains intact across FITRIM and remount. Fixes: 11ccc9107dc4 ("ntfs: update runlist handling and cluster allocator") Cc: stable@vger.kernel.org Assisted-by: OpenAI Codex:GPT-5.6 Sol Max Signed-off-by: Jacopo Labardi <jacopolabardi@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-08-30 02:15:36 +02:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: fix invalid PTR_ERR() usage in __ntfs_bitmap_set_bits_in_run() The Smatch reported a warning in __ntfs_bitmap_set_bits_in_run(): "warn: passing a valid pointer to 'PTR_ERR'" This occurs because the 'folio' variable might contain a valid pointer when jumping to the 'rollback' label, specifically when 'cnt <= 0' is detected during the subsequent page mapping loop. In such cases, calling PTR_ERR(folio) is incorrect as it does not contain an error code. Fix this by introducing an explicit 'err' variable to track the error status. This ensures that the rollback logic and the return value consistently use a proper error code regardless of the state of the folio pointer. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-04-28 21:59:30 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: use ->mft_no instead of ->i_ino in prints This improves log accuracy for NTFS debugging and removes unnecessary reliance on the VFS i_ino field ahead of the core VFS type change. Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-03-05 10:46:42 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: fix invalid PTR_ERR() usage in __ntfs_bitmap_set_bits_in_run() The Smatch reported a warning in __ntfs_bitmap_set_bits_in_run(): "warn: passing a valid pointer to 'PTR_ERR'" This occurs because the 'folio' variable might contain a valid pointer when jumping to the 'rollback' label, specifically when 'cnt <= 0' is detected during the subsequent page mapping loop. In such cases, calling PTR_ERR(folio) is incorrect as it does not contain an error code. Fix this by introducing an explicit 'err' variable to track the error status. This ensures that the rollback logic and the return value consistently use a proper error code regardless of the state of the folio pointer. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-04-28 21:59:30 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: fix invalid PTR_ERR() usage in __ntfs_bitmap_set_bits_in_run() The Smatch reported a warning in __ntfs_bitmap_set_bits_in_run(): "warn: passing a valid pointer to 'PTR_ERR'" This occurs because the 'folio' variable might contain a valid pointer when jumping to the 'rollback' label, specifically when 'cnt <= 0' is detected during the subsequent page mapping loop. In such cases, calling PTR_ERR(folio) is incorrect as it does not contain an error code. Fix this by introducing an explicit 'err' variable to track the error status. This ensures that the rollback logic and the return value consistently use a proper error code regardless of the state of the folio pointer. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-04-28 21:59:30 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
ntfs: fix invalid PTR_ERR() usage in __ntfs_bitmap_set_bits_in_run() The Smatch reported a warning in __ntfs_bitmap_set_bits_in_run(): "warn: passing a valid pointer to 'PTR_ERR'" This occurs because the 'folio' variable might contain a valid pointer when jumping to the 'rollback' label, specifically when 'cnt <= 0' is detected during the subsequent page mapping loop. In such cases, calling PTR_ERR(folio) is incorrect as it does not contain an error code. Fix this by introducing an explicit 'err' variable to track the error status. This ensures that the rollback logic and the return value consistently use a proper error code regardless of the state of the folio pointer. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-04-28 21:59:30 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: fix invalid PTR_ERR() usage in __ntfs_bitmap_set_bits_in_run() The Smatch reported a warning in __ntfs_bitmap_set_bits_in_run(): "warn: passing a valid pointer to 'PTR_ERR'" This occurs because the 'folio' variable might contain a valid pointer when jumping to the 'rollback' label, specifically when 'cnt <= 0' is detected during the subsequent page mapping loop. In such cases, calling PTR_ERR(folio) is incorrect as it does not contain an error code. Fix this by introducing an explicit 'err' variable to track the error status. This ensures that the rollback logic and the return value consistently use a proper error code regardless of the state of the folio pointer. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-04-28 21:59:30 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
ntfs: fix invalid PTR_ERR() usage in __ntfs_bitmap_set_bits_in_run() The Smatch reported a warning in __ntfs_bitmap_set_bits_in_run(): "warn: passing a valid pointer to 'PTR_ERR'" This occurs because the 'folio' variable might contain a valid pointer when jumping to the 'rollback' label, specifically when 'cnt <= 0' is detected during the subsequent page mapping loop. In such cases, calling PTR_ERR(folio) is incorrect as it does not contain an error code. Fix this by introducing an explicit 'err' variable to track the error status. This ensures that the rollback logic and the return value consistently use a proper error code regardless of the state of the folio pointer. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-04-28 21:59:30 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: update runlist handling and cluster allocator Updates runlist handling and cluster allocation to support contiguous allocations and filesystem trimming. Improve the runlist API to handle allocation failures and introduces discard support. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-02-13 10:44:35 +09:00
ntfs: fix invalid PTR_ERR() usage in __ntfs_bitmap_set_bits_in_run() The Smatch reported a warning in __ntfs_bitmap_set_bits_in_run(): "warn: passing a valid pointer to 'PTR_ERR'" This occurs because the 'folio' variable might contain a valid pointer when jumping to the 'rollback' label, specifically when 'cnt <= 0' is detected during the subsequent page mapping loop. In such cases, calling PTR_ERR(folio) is incorrect as it does not contain an error code. Fix this by introducing an explicit 'err' variable to track the error status. This ensures that the rollback logic and the return value consistently use a proper error code regardless of the state of the folio pointer. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-04-28 21:59:30 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00
ntfs: fix invalid PTR_ERR() usage in __ntfs_bitmap_set_bits_in_run() The Smatch reported a warning in __ntfs_bitmap_set_bits_in_run(): "warn: passing a valid pointer to 'PTR_ERR'" This occurs because the 'folio' variable might contain a valid pointer when jumping to the 'rollback' label, specifically when 'cnt <= 0' is detected during the subsequent page mapping loop. In such cases, calling PTR_ERR(folio) is incorrect as it does not contain an error code. Fix this by introducing an explicit 'err' variable to track the error status. This ensures that the rollback logic and the return value consistently use a proper error code regardless of the state of the folio pointer. Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2026-04-28 21:59:30 +09:00
Revert "fs: Remove NTFS classic" This reverts commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89. Reverts the removal of the classic read-only ntfs driver to serve as the base for a new read-write ntfs implementation. If we stack changes on top of the revert patch, It will significantly reduce the diff size, making the review easier. This revert intentionally excludes the restoration of Kconfig and Makefile. The Kconfig and Makefile will be added back in the final patch of this series, enabling the driver only after all features and improvements have been applied. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
2025-12-30 14:24:16 +09:00