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udf: Provide function for calculating dir entry length

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Provide function for calculating directory entry length and use to
reduce code duplication.

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara
2018-06-13 17:30:14 +02:00
parent fa65653e57
commit f2e8334711
3 changed files with 10 additions and 15 deletions
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6
fs/udf/udfdecl.h
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@@ -132,6 +132,12 @@ struct inode *udf_find_metadata_inode_efe(struct super_block *sb,
extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
struct fileIdentDesc *, struct udf_fileident_bh *,
uint8_t *, uint8_t *);
static inline unsigned int udf_dir_entry_len(struct fileIdentDesc *cfi)
{
return ALIGN(sizeof(struct fileIdentDesc) +
le16_to_cpu(cfi->lengthOfImpUse) + cfi->lengthFileIdent,
UDF_NAME_PAD);
}
/* file.c */
extern long udf_ioctl(struct file *, unsigned int, unsigned long);