Function report |
Source Code:include\linux\buffer_head.h |
Create Date:2022-07-28 12:16:49 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:lock_buffer
Proto:static inline void lock_buffer(struct buffer_head *bh)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct buffer_head * | bh |
364 | might_sleep() |
365 | If Not trylock_buffer(bh) Then __lock_buffer(bh) |
Name | Describe |
---|---|
buffer_migrate_lock_buffers | Returns true if all buffers are successfully locked |
__bread_slow | |
discard_buffer | |
__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 |
block_read_full_page | Generic "read page" function for block devices that have the normal* get_block functionality |
nobh_write_begin | On entry, the page is fully not uptodate.* On exit the page is fully uptodate in the areas outside (from,to)* The filesystem needs to handle block truncation upon failure. |
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. |
bh_uptodate_or_lock | h_uptodate_or_lock - Test whether the buffer is uptodate*@bh: struct buffer_head* Return true if the buffer is up-to-date and false,* with the buffer locked, if not. |
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