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fd: stop looking for exact freefile after allocation

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If a lower fd is closed later, the lookup goes to waste. Allocation
always performs the lookup anyway.

Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Mateusz Guzik 2018-12-11 11:57:12 +00:00
parent 1242588828
commit 663de8167e
1 changed files with 1 additions and 1 deletions
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2
sys/kern/kern_descrip.c
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@ -262,7 +262,7 @@ fdused(struct filedesc *fdp, int fd)
if (fd > fdp->fd_lastfile) if (fd > fdp->fd_lastfile)
fdp->fd_lastfile = fd; fdp->fd_lastfile = fd;
if (fd == fdp->fd_freefile) if (fd == fdp->fd_freefile)
fdp->fd_freefile = fd_first_free(fdp, fd, fdp->fd_nfiles); fdp->fd_freefile++;
} }
/* /*