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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 14:26:51 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 14:26:51 -0400
commitd65f5c5803d9cd6fa0b540a0dddf956be671bc36 (patch)
treed8b7e7197bd126ce857c9a368dd7573b531cb22f /fs/open.c
parenta8086ad803fc4d251edb9a49838bf99c7fdfb44f (diff)
parent8d66bf5481002b0960aa49aed0987c73f5d7816c (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: [PATCH] pass struct path * to do_add_mount() [PATCH] switch mtd and dm-table to lookup_bdev() [patch 3/4] vfs: remove unused nameidata argument of may_create() [PATCH] devpts: switch to IDA [PATCH 2/2] proc: switch inode number allocation to IDA [PATCH 1/2] proc: fix inode number bogorithmetic [PATCH] fix bdev leak in block_dev.c do_open() [PATCH] fix races and leaks in vfs_quota_on() users [PATCH] clean dup2() up a bit [PATCH] merge locate_fd() and get_unused_fd() [PATCH] ipv4_static_sysctl_init() should be under CONFIG_SYSCTL Re: BUG at security/selinux/avc.c:883 (was: Re: linux-next: Tree
Diffstat (limited to 'fs/open.c')
-rw-r--r--fs/open.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/fs/open.c b/fs/open.c
index 52647be277a2..07da9359481c 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -963,62 +963,6 @@ struct file *dentry_open(struct dentry *dentry, struct vfsmount *mnt, int flags)
963} 963}
964EXPORT_SYMBOL(dentry_open); 964EXPORT_SYMBOL(dentry_open);
965 965
966/*
967 * Find an empty file descriptor entry, and mark it busy.
968 */
969int get_unused_fd_flags(int flags)
970{
971 struct files_struct * files = current->files;
972 int fd, error;
973 struct fdtable *fdt;
974
975 spin_lock(&files->file_lock);
976
977repeat:
978 fdt = files_fdtable(files);
979 fd = find_next_zero_bit(fdt->open_fds->fds_bits, fdt->max_fds,
980 files->next_fd);
981
982 /* Do we need to expand the fd array or fd set? */
983 error = expand_files(files, fd);
984 if (error < 0)
985 goto out;
986
987 if (error) {
988 /*
989 * If we needed to expand the fs array we
990 * might have blocked - try again.
991 */
992 goto repeat;
993 }
994
995 FD_SET(fd, fdt->open_fds);
996 if (flags & O_CLOEXEC)
997 FD_SET(fd, fdt->close_on_exec);
998 else
999 FD_CLR(fd, fdt->close_on_exec);
1000 files->next_fd = fd + 1;
1001#if 1
1002 /* Sanity check */
1003 if (fdt->fd[fd] != NULL) {
1004 printk(KERN_WARNING "get_unused_fd: slot %d not NULL!\n", fd);
1005 fdt->fd[fd] = NULL;
1006 }
1007#endif
1008 error = fd;
1009
1010out:
1011 spin_unlock(&files->file_lock);
1012 return error;
1013}
1014
1015int get_unused_fd(void)
1016{
1017 return get_unused_fd_flags(0);
1018}
1019
1020EXPORT_SYMBOL(get_unused_fd);
1021
1022static void __put_unused_fd(struct files_struct *files, unsigned int fd) 966static void __put_unused_fd(struct files_struct *files, unsigned int fd)
1023{ 967{
1024 struct fdtable *fdt = files_fdtable(files); 968 struct fdtable *fdt = files_fdtable(files);