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Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
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Rename now works "Add new name and remove old name".
"Remove old name and add new name" may result in bad inode
if we can't add new name and then can't restore (add) old name.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
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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>
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Problem with these wrapper is that we cannot take off example GFP_NOFS
flag. It is not recomended use those in all places. Also if we change
one driver specific wrapper to kernel wrapper then it would look really
weird. People should be most familiar with kernel wrappers so let's just
use those ones.
Driver specific alloc wrapper also confuse some static analyzing tools,
good example is example kernels checkpatch tool. After we converter
these to kernel specific then warnings is showed.
Following Coccinelle script was used to automate changing.
virtual patch
@alloc depends on patch@
expression x;
expression y;
@@
(
- ntfs_malloc(x)
+ kmalloc(x, GFP_NOFS)
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- ntfs_zalloc(x)
+ kzalloc(x, GFP_NOFS)
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- ntfs_vmalloc(x)
+ kvmalloc(x, GFP_NOFS)
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- ntfs_free(x)
+ kfree(x)
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- ntfs_vfree(x)
+ kvfree(x)
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- ntfs_memdup(x, y)
+ kmemdup(x, y, GFP_NOFS)
)
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
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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))
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- QuadAlign(x)
+ ALIGN(x, 8)
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- #define IsQuadAligned(n) (!((size_t)(n)&7u))
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- IsQuadAligned(x)
+ IS_ALIGNED(x, 8)
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- #define Quad2Align(n) (((n) + 15u) & (~15u))
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- Quad2Align(x)
+ ALIGN(x, 16)
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- #define IsQuad2Aligned(n) (!((size_t)(n)&15u))
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- IsQuad2Aligned(x)
+ IS_ALIGNED(x, 16)
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- #define Quad4Align(n) (((n) + 31u) & (~31u))
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- Quad4Align(x)
+ ALIGN(x, 32)
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- #define IsSizeTAligned(n) (!((size_t)(n) & (sizeof(size_t) - 1)))
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- IsSizeTAligned(x)
+ IS_ALIGNED(x, sizeof(size_t))
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- #define DwordAlign(n) (((n) + 3u) & (~3u))
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- DwordAlign(x)
+ ALIGN(x, 4)
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- #define IsDwordAligned(n) (!((size_t)(n)&3u))
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- IsDwordAligned(x)
+ IS_ALIGNED(x, 4)
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- #define WordAlign(n) (((n) + 1u) & (~1u))
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- WordAlign(x)
+ ALIGN(x, 2)
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- #define IsWordAligned(n) (!((size_t)(n)&1u))
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- IsWordAligned(x)
+ IS_ALIGNED(x, 2)
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)
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>
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Eliminate the follow versioncheck warning:
./fs/ntfs3/inode.c: 16 linux/version.h not needed.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Fixes: 82cae269cfa9 ("fs/ntfs3: Add initialization of super block")
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
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Fix the following fallthrough warnings:
fs/ntfs3/inode.c:1792:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
fs/ntfs3/index.c:178:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
This helps with the ongoing efforts to globally enable
-Wimplicit-fallthrough for Clang.
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
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This adds initialization of super block
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
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