linux.git/fs/ntfs3/bitmap.c, branch v6.7 Linux kernel source tree fs/ntfs3: Allow repeated call to ntfs3_put_sbi 2023-09-28T12:03:59+00:00 Konstantin Komarov almaz.alexandrovich@paragon-software.com 2023-09-22T10:07:59+00:00 4ad5c924df6cd6d85708fa23f9d9a2b78a2e428e Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> 
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
fs/ntfs3: Use kvmalloc instead of kmalloc(... __GFP_NOWARN) 2023-09-28T12:03:56+00:00 Konstantin Komarov almaz.alexandrovich@paragon-software.com 2023-06-30T12:12:58+00:00 fc471e39e38fea6677017cbdd6d928088a59fc67 Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> 
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
fs/ntfs3: Code formatting 2023-07-02T20:21:27+00:00 Konstantin Komarov almaz.alexandrovich@paragon-software.com 2023-05-08T08:22:05+00:00 f037776165b0643199f50fb105be1c3dcf8e8726 clang-format-15 was used to format code according kernel's .clang-format. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> 
clang-format-15 was used to format code according kernel's .clang-format.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
fs/ntfs3: Code formatting and refactoring 2023-03-27T13:44:35+00:00 Konstantin Komarov almaz.alexandrovich@paragon-software.com 2023-01-17T11:01:00+00:00 96de65a9413e0422233b285368e8a9a64e461187 Added minor refactoring. Added and fixed some comments. In some places, the code has been reformatted to fit into 80 columns. clang-format-12 was used to format code according kernel's .clang-format. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> 
Added minor refactoring.
Added and fixed some comments.
In some places, the code has been reformatted to fit into 80 columns.
clang-format-12 was used to format code according kernel's .clang-format.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
fs/ntfs3: Refactoring of various minor issues 2023-03-27T12:59:16+00:00 Konstantin Komarov almaz.alexandrovich@paragon-software.com 2022-12-30T10:58:25+00:00 6827d50b2c430c329af442b64c9176d174f56521 Removed unused macro. Changed null pointer checking. Fixed inconsistent indenting. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> 
Removed unused macro.
Changed null pointer checking.
Fixed inconsistent indenting.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
fs/ntfs3: Improve checking of bad clusters 2022-11-14T16:50:48+00:00 Konstantin Komarov almaz.alexandrovich@paragon-software.com 2022-10-11T17:19:36+00:00 ec5fc72013762500867c9cef96fed89dc7161832 Added new function wnd_set_used_safe. Load $BadClus before $AttrDef instead of before $Bitmap. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> 
Added new function wnd_set_used_safe.
Load $BadClus before $AttrDef instead of before $Bitmap.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
fs/ntfs3: Add ntfs_bitmap_weight_le function and refactoring 2022-11-14T16:50:42+00:00 Konstantin Komarov almaz.alexandrovich@paragon-software.com 2022-10-06T16:42:24+00:00 08811ba59a61e8147c869e2d056c37ab8ca5ebde Added ntfs_bitmap_weight_le function. Changed argument types of bits/bitmap functions. Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> 
Added ntfs_bitmap_weight_le function.
Changed argument types of bits/bitmap functions.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
fs/ntfs3: Use _le variants of bitops functions 2022-11-14T16:50:41+00:00 Thomas Kühnel thomas.kuehnel@avm.de 2021-12-07T10:24:55+00:00 095d8ce635c116bb7813d865adfbccde8094d920 The functions from bitops.h already have _le variants so use them to prevent invalid reads/writes of the bitmap on big endian systems. Signed-off-by: Thomas Kühnel <thomas.kuehnel@avm.de> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> 
The functions from bitops.h already have _le variants so use them to
prevent invalid reads/writes of the bitmap on big endian systems.

Signed-off-by: Thomas Kühnel <thomas.kuehnel@avm.de>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
fs/ntfs3: Add functions to modify LE bitmaps 2022-11-14T16:50:41+00:00 Thomas Kühnel thomas.kuehnel@avm.de 2021-12-07T10:24:54+00:00 88a8d0d2482f60596eec875ba5ba62901d8274ff __bitmap_set/__bitmap_clear only works with bitmaps in CPU order. Define a variant of these functions in ntfs3 to handle modifying bitmaps read from the filesystem. Signed-off-by: Thomas Kühnel <thomas.kuehnel@avm.de> Reviewed-by: Nicolas Schier <n.schier@avm.de> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> 
__bitmap_set/__bitmap_clear only works with bitmaps in CPU order.
Define a variant of these functions in ntfs3 to handle modifying bitmaps
read from the filesystem.

Signed-off-by: Thomas Kühnel <thomas.kuehnel@avm.de>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
fs/ntfs3: Use __GFP_NOWARN allocation at wnd_init() 2022-11-12T17:59:41+00:00 Tetsuo Handa penguin-kernel@I-love.SAKURA.ne.jp 2022-10-02T14:39:15+00:00 0d0f659bf713662fabed973f9996b8f23c59ca51 syzbot is reporting too large allocation at wnd_init() [1], for a crafted filesystem can become wnd->nwnd close to UINT_MAX. Add __GFP_NOWARN in order to avoid too large allocation warning, than exhausting memory by using kvcalloc(). Link: https://syzkaller.appspot.com/bug?extid=fa4648a5446460b7b963 [1] Reported-by: syzot <syzbot+fa4648a5446460b7b963@syzkaller.appspotmail.com> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> 
syzbot is reporting too large allocation at wnd_init() [1], for a crafted
filesystem can become wnd->nwnd close to UINT_MAX. Add __GFP_NOWARN in
order to avoid too large allocation warning, than exhausting memory by
using kvcalloc().

Link: https://syzkaller.appspot.com/bug?extid=fa4648a5446460b7b963 [1]
Reported-by: syzot <syzbot+fa4648a5446460b7b963@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>