红帽全球峰会probe::nfs.aop.writepage
名称
probe::nfs.aop.writepage — NFS client writing a mapped page to the NFS server
Synopsis
nfs.aop.writepage
nfs.aop.writepage Values
wsize- write size
size- number of pages to be written in this execution
i_flag- file flags
for_kupdate- a flag of writeback_control, indicates if it's a kupdate writeback
ino- inode number
i_size- file length in bytes
dev- device identifier
for_reclaim- a flag of writeback_control, indicates if it's invoked from the page allocator
__page- the address of page
sb_flag- super block flags
page_index- offset within mapping, can used a page identifier and position identifier in the page frame
i_state- inode state flags
Description
The priority of wb is decided by the flags
for_reclaim and for_kupdate.
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