buffer_locked

Name:buffer_locked

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

Type:int

Parameter:

Type	Parameter	Name
const struct buffer_head *	bh

123

Return If __builtin_constant_p( Is locked ) Then constant_test_bit(( Is locked ), ( & buffer state bitmap (see above) )) Else variable_test_bit(( Is locked ), ( & buffer state bitmap (see above) ))

**Caller**
Name	Describe
buffer_check_dirty_writeback	Returns if the page has dirty or writeback buffers. If all the buffers* are unlocked and clean then the PageDirty information is stale. If* any of the pages are locked, it is assumed they are locked for IO.
end_buffer_async_read
end_buffer_async_write	Completion handler for block_write_full_page() - pages which are unlocked* during I/O, and which have PageWriteback cleared upon I/O completion.
osync_buffers_list	sync is designed to support O_SYNC io
fsync_buffers_list
submit_bh_wbc
bh_submit_read	h_submit_read - Submit a locked buffer for reading@bh: struct buffer_head Returns zero on success and -EIO on error.
__mpage_writepage

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