Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\quota\quota_tree.c Create Date:2022-07-28 20:33:23
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:getdqbuf

Proto:static char *getdqbuf(size_t size)

Type:char

Parameter:

TypeParameterName
size_tsize
52  buf = Allocation memory
53  If Not buf Then printk - print a kernel message*@fmt: format string* This is printk(). It can be called from any context. We want it to work.* We try to grab the console_lock. If we succeed, it's easy - we log the* output and call the console drivers
56  Return buf
Caller
NameDescribe
get_free_dqblkRemove empty block from list and return it
remove_free_dqentryRemove given block from the list of blocks with free entries
insert_free_dqentryInsert given block to the beginning of list with free entries
find_free_dqentryFind space for dquot
do_insert_treeInsert reference to structure into the trie
qtree_write_dquotWe don't have to be afraid of deadlocks as we never have quotas on quota* files...
free_dqentryFree dquot entry in data block
remove_treeRemove reference to dquot from tree
find_block_dqentryFind entry in block
find_tree_dqentryFind entry for given id in the tree
qtree_read_dquot
find_next_id