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Code Issues Releases Wiki Activity

files: Don't lookup fdesc twice

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In the open_fdinfo we need to get a file_desc associated with the given
fdinfo_list_entry. This is done by searching the hash of descs, but this
can be speeded up by saving the desc pointer on the fdinfo at the time
of collecting them.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov
2012-06-03 22:56:02 +04:00
parent 338bc1349c
commit a842cfe68f
2 changed files with 12 additions and 12 deletions
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5
include/files.h
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@@ -25,16 +25,17 @@ enum fdinfo_states {
FD_STATE_MAX
};
struct file_desc;
struct fdinfo_list_entry {
struct list_head desc_list;
struct file_desc *desc;
struct list_head ps_list;
int pid;
futex_t real_pid;
struct fdinfo_entry fe;
};
struct file_desc;
struct file_desc_ops {
int type;
int (*open)(struct file_desc *);