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udf: Factor out code for creating indirect extent

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Factor out code for creating indirect extent from udf_add_aext(). It was
mostly duplicated in two places. Also remove some opencoded versions
of udf_write_aext().

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara
2015-12-23 14:21:13 +01:00
parent b0918d9f47
commit fcea62babc
3 changed files with 130 additions and 189 deletions
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4
fs/udf/udfdecl.h
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@@ -159,6 +159,10 @@ extern int udf_write_inode(struct inode *, struct writeback_control *wbc);
extern long udf_block_map(struct inode *, sector_t);
extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
struct kernel_lb_addr *, uint32_t *, sector_t *);
extern int udf_setup_indirect_aext(struct inode *inode, int block,
struct extent_position *epos);
extern int __udf_add_aext(struct inode *inode, struct extent_position *epos,
struct kernel_lb_addr *eloc, uint32_t elen, int inc);
extern int udf_add_aext(struct inode *, struct extent_position *,
struct kernel_lb_addr *, uint32_t, int);
extern void udf_write_aext(struct inode *, struct extent_position *,