Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\iversion.h Create Date:2022-07-28 20:07:52
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:de_maybe_inc_iversion - increments i_version*@inode: inode with the i_version that should be updated*@force: increment the counter even if it's not necessary?* Every time the inode is modified, the i_version field must be seen to have

Proto:static inline bool inode_maybe_inc_iversion(struct inode *inode, bool force)

Type:bool

Parameter:

TypeParameterName
struct inode *inode
boolforce
212  smp_mb()
213  cur = de_peek_iversion_raw - grab a "raw" iversion value*@inode: inode from which i_version should be read* Grab a "raw" inode->i_version value and return it. The i_version is not* flagged or converted in any way. This is mostly used to access a self-managed
214  cycle
216  If Not force && Not (cur & I_VERSION_QUERIED) Then Return false
220  new = (cur & ~I_VERSION_QUERIED) + I_VERSION_INCREMENT
222  old = atomic64_cmpxchg( & i_version, cur, new)
223  If Value is more likely to compile time(old == cur) Then Break
225  cur = old
227  Return true
Caller
NameDescribe
generic_update_time
inode_inc_iversionde_inc_iversion - forcibly increment i_version*@inode: inode that needs to be updated* Forcbily increment the i_version field. This always results in a change to* the observable value.