Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\xarray.h Create Date:2022-07-28 05:42:19
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:xas_prev() - Move iterator to previous index.*@xas: XArray operation state.* If the @xas was in an error state, it will remain in an error state* and this function will return %NULL. If the @xas has never been walked,

Proto:static inline void *xas_prev(struct xa_state *xas)

Type:void

Parameter:

TypeParameterName
struct xa_state *xas
1745  node = xa_node
1747  If Value for the false possibility is greater at compile time(True if the pointer is something other than a node || Bits remaining in each slot || xa_offset == 0) Then Return __xas_prev() - Find the previous entry in the XArray.*@xas: XArray operation state.* Helper function for xas_prev() which handles all the complex cases* out of line.
1751  xa_index--
1752  xa_offset--
1753  Return Private
Caller
NameDescribe
check_move_tiny
check_move_small
check_move
page_cache_prev_misspage_cache_prev_miss() - Find the previous gap in the page cache.*@mapping: Mapping.*@index: Index.*@max_scan: Maximum range to search.* Search the range [max(index - max_scan + 1, 0), index] for the* gap with the highest index.