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66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
#ifndef _EXT4_JBD2_H
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#define _EXT4_JBD2_H
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/*
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* Wrapper functions with which ext4 calls into JBD.
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*/
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void ext4_journal_abort_handle(const char *caller, unsigned int line,
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const char *err_fn, struct buffer_head *bh,
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handle_t *handle, int err);
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int __ext4_handle_dirty_super(const char *where, unsigned int line,
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handle_t *handle, struct super_block *sb);
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int __ext4_journal_get_write_access(const char *where, unsigned int line,
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void *icb, handle_t *handle, struct buffer_head *bh);
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int __ext4_forget(const char *where, unsigned int line, void *icb, handle_t *handle,
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int is_metadata, struct inode *inode,
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struct buffer_head *bh, ext4_fsblk_t blocknr);
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int __ext4_journal_get_create_access(const char *where, unsigned int line,
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void *icb, handle_t *handle, struct buffer_head *bh);
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int __ext4_handle_dirty_metadata(const char *where, unsigned int line,
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void *icb, handle_t *handle, struct inode *inode,
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struct buffer_head *bh);
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#define ext4_journal_get_write_access(handle, icb, bh) \
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__ext4_journal_get_write_access("", __LINE__, (icb), (handle), (bh))
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#define ext4_forget(handle, icb, is_metadata, inode, bh, block_nr) \
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__ext4_forget("", __LINE__, (icb), (handle), (is_metadata), (inode), \
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(bh), (block_nr))
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#define ext4_journal_get_create_access(handle, icb, bh) \
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__ext4_journal_get_create_access("", __LINE__, (icb), (handle), (bh))
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#define ext4_handle_dirty_metadata(handle, icb, inode, bh) \
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__ext4_handle_dirty_metadata("", __LINE__, (icb), (handle), (inode), \
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(bh))
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handle_t *__ext4_journal_start_sb(void *icb, struct super_block *sb, unsigned int line,
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int type, int blocks, int rsv_blocks);
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int __ext4_journal_stop(const char *where, unsigned int line, void *icb, handle_t *handle);
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#define ext4_journal_start_sb(icb, sb, type, nblocks) \
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__ext4_journal_start_sb((icb), (sb), __LINE__, (type), (nblocks), 0)
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#define ext4_journal_start(icb, inode, type, nblocks) \
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__ext4_journal_start((icb), (inode), __LINE__, (type), (nblocks), 0)
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static inline handle_t *__ext4_journal_start(void *icb, struct inode *inode,
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unsigned int line, int type,
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int blocks, int rsv_blocks)
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{
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return __ext4_journal_start_sb(icb, inode->i_sb, line, type, blocks,
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rsv_blocks);
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}
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#define ext4_journal_stop(icb, handle) \
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__ext4_journal_stop("", __LINE__, (icb), (handle))
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static inline int ext4_journal_extend(void *icb, handle_t *handle, int nblocks)
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{
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return 0;
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}
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#endif
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