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fd: Fast path post open

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Check for post_open callback presense before any other checks.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov
2012-09-11 22:07:21 +04:00
parent 84d1ffb986
commit 97dba0eb8f
1 changed files with 5 additions and 4 deletions
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9
files.c
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@@ -329,15 +329,16 @@ static int post_open_fd(int pid, FdinfoEntry *fe, struct file_desc *d)
{ {
struct fdinfo_list_entry *fle; struct fdinfo_list_entry *fle;
if (!d->ops->post_open)
return 0;
fle = file_master(d); fle = file_master(d);
if ((fle->pid != pid) || (fe->fd != fle->fe->fd)) if ((fle->pid != pid) || (fe->fd != fle->fe->fd))
return 0; return 0;
if (d->ops->post_open && d->ops->post_open(d, fle->fe->fd)) return d->ops->post_open(d, fle->fe->fd);
return -1;
return 0;
} }
static int open_fd(int pid, FdinfoEntry *fe, struct file_desc *d) static int open_fd(int pid, FdinfoEntry *fe, struct file_desc *d)
{ {
int tmp; int tmp;