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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 <[email protected]>
Signed-off-by: Konstantin Komarov <[email protected]>
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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 <[email protected]>
Signed-off-by: Kari Argillander <[email protected]>
Signed-off-by: Konstantin Komarov <[email protected]>
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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 <[email protected]>
Signed-off-by: Kari Argillander <[email protected]>
Signed-off-by: Konstantin Komarov <[email protected]>
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Add guards so that compiler will only include header files once.
Signed-off-by: Kari Argillander <[email protected]>
Signed-off-by: Konstantin Komarov <[email protected]>
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There is a spelling mistake in a ntfs_err error message. Also
fix various spelling mistakes in comments.
Signed-off-by: Colin Ian King <[email protected]>
Reviewed-by: Kari Argillander <[email protected]>
Signed-off-by: Konstantin Komarov <[email protected]>
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This adds headers and misc files
Signed-off-by: Konstantin Komarov <[email protected]>
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