test_clear_buffer_dirty

Name:test_clear_buffer_dirty

Proto:static inline __attribute__((__always_inline__)) int test_clear_buffer_dirty(struct buffer_head *bh)

Type:int

Parameter:

Type	Parameter	Name
struct buffer_head *	bh

122

Return st_and_clear_bit - Clear a bit and return its old value*@nr: Bit to clear*@addr: Address to count from* This is an atomic fully-ordered operation (implied full memory barrier).

**Caller**
Name	Describe
__block_write_full_page	While block_write_full_page is writing back the dirty buffers under* the page lock, whoever dirtied the buffers may decide to clean them* again at any time
ll_rw_block	ll_rw_block: low-level access to block devices (DEPRECATED)@op: whether to %READ or %WRITE@op_flags: req_flag_bits@nr: number of &struct buffer_heads in the array@bhs: array of pointers to &struct buffer_head* ll_rw_block() takes an array of pointers
write_dirty_buffer
__sync_dirty_buffer	For a data-integrity writeout, we need to wait upon any in-progress I/O* and then start new I/O and then wait upon it. The caller must have a ref on* the buffer_head.

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