Displaying 1 result from an estimated 1 matches for "vm_writeback".
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drm_writeback
2002 Sep 26
1
->journal_info sharing
...ems in the
kernel some mechanism is needed for proper sharing of the ->journal_info
pointer in the task_struct.
One journalled file system can indirectly call another during page fault
in copy_from_user, quota file modification, or
__alloc_pages()->balance_classzone()->shrink_cache()->vm_writeback()
sequence. (Actually, I don't understand when prevents ext3 from
re-entering itself in such a case.)
Can we replace
struct task_struct {
...
void *journal_info;
};
with
struct fs_activation;
struct fs_activation {
struct super_block *super;
struct fs_activation *parent;
};
s...