Messages in this thread Patch in this message | | | Subject | [PATCH 09/10] udf: replace udf_*_offset macros with functions | Date | Wed, 30 Jan 2008 22:03:59 +0100 | From | marcin.slusarz@gmail ... |
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- translate udf_file_entry_alloc_offset macro into function - translate udf_ext0_offset macro into function - add comment about crypticly named fields in struct udf_inode_info
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Jan Kara <jack@suse.cz> --- fs/udf/udfdecl.h | 29 +++++++++++++++++++---------- include/linux/udf_fs_i.h | 4 ++-- 2 files changed, 21 insertions(+), 12 deletions(-)
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index c6c457b..375be1b 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -12,6 +12,7 @@ #include <linux/buffer_head.h> #include "udfend.h" +#include "udf_i.h" #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) ) #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) ) @@ -23,16 +24,24 @@ #define UDF_NAME_LEN 256 #define UDF_PATH_LEN 1023 -#define udf_file_entry_alloc_offset(inode)\ - (UDF_I(inode)->i_use ?\ - sizeof(struct unallocSpaceEntry) :\ - ((UDF_I(inode)->i_efe ?\ - sizeof(struct extendedFileEntry) :\ - sizeof(struct fileEntry)) + UDF_I(inode)->i_lenEAttr)) - -#define udf_ext0_offset(inode)\ - (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB ?\ - udf_file_entry_alloc_offset(inode) : 0) +static inline size_t udf_file_entry_alloc_offset(struct inode *inode) +{ + struct udf_inode_info *iinfo = UDF_I(inode); + if (iinfo->i_use) + return sizeof(struct unallocSpaceEntry); + else if (iinfo->i_efe) + return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr; + else + return sizeof(struct fileEntry) + iinfo->i_lenEAttr; +} + +static inline size_t udf_ext0_offset(struct inode *inode) +{ + if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) + return udf_file_entry_alloc_offset(inode); + else + return 0; +} #define udf_get_lb_pblock(sb,loc,offset) udf_get_pblock((sb), (loc).logicalBlockNum, (loc).partitionReferenceNum, (offset)) diff --git a/include/linux/udf_fs_i.h b/include/linux/udf_fs_i.h index ffaf056..6281a52 100644 --- a/include/linux/udf_fs_i.h +++ b/include/linux/udf_fs_i.h @@ -27,8 +27,8 @@ struct udf_inode_info __u32 i_next_alloc_block; __u32 i_next_alloc_goal; unsigned i_alloc_type : 3; - unsigned i_efe : 1; - unsigned i_use : 1; + unsigned i_efe : 1; /* extendedFileEntry */ + unsigned i_use : 1; /* unallocSpaceEntry */ unsigned i_strat4096 : 1; unsigned reserved : 26; union -- 1.5.3.7
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