dir.c (47237687d73cbeae1dd7a133c3fc3d7239094568) dir.c (d95852777bc8ba6b3ad3397d495c5f9dd8ca8383)
1#include <linux/ceph/ceph_debug.h>
2
3#include <linux/spinlock.h>
4#include <linux/fs_struct.h>
5#include <linux/namei.h>
6#include <linux/slab.h>
7#include <linux/sched.h>
8

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629 err = ceph_mdsc_do_request(mdsc, NULL, req);
630 err = ceph_handle_snapdir(req, dentry, err);
631 dentry = ceph_finish_lookup(req, dentry, err);
632 ceph_mdsc_put_request(req); /* will dput(dentry) */
633 dout("lookup result=%p\n", dentry);
634 return dentry;
635}
636
1#include <linux/ceph/ceph_debug.h>
2
3#include <linux/spinlock.h>
4#include <linux/fs_struct.h>
5#include <linux/namei.h>
6#include <linux/slab.h>
7#include <linux/sched.h>
8

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629 err = ceph_mdsc_do_request(mdsc, NULL, req);
630 err = ceph_handle_snapdir(req, dentry, err);
631 dentry = ceph_finish_lookup(req, dentry, err);
632 ceph_mdsc_put_request(req); /* will dput(dentry) */
633 dout("lookup result=%p\n", dentry);
634 return dentry;
635}
636
637struct file *ceph_atomic_open(struct inode *dir, struct dentry *dentry,
638 struct opendata *od, unsigned flags, umode_t mode,
639 int *opened)
637int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
638 struct opendata *od, unsigned flags, umode_t mode,
639 int *opened)
640{
641 int err;
642 struct dentry *res = NULL;
640{
641 int err;
642 struct dentry *res = NULL;
643 struct file *filp;
644
645 if (!(flags & O_CREAT)) {
646 if (dentry->d_name.len > NAME_MAX)
643
644 if (!(flags & O_CREAT)) {
645 if (dentry->d_name.len > NAME_MAX)
647 return ERR_PTR(-ENAMETOOLONG);
646 return -ENAMETOOLONG;
648
649 err = ceph_init_dentry(dentry);
650 if (err < 0)
647
648 err = ceph_init_dentry(dentry);
649 if (err < 0)
651 return ERR_PTR(err);
650 return err;
652
653 return ceph_lookup_open(dir, dentry, od, flags, mode, opened);
654 }
655
656 if (d_unhashed(dentry)) {
657 res = ceph_lookup(dir, dentry, NULL);
658 if (IS_ERR(res))
651
652 return ceph_lookup_open(dir, dentry, od, flags, mode, opened);
653 }
654
655 if (d_unhashed(dentry)) {
656 res = ceph_lookup(dir, dentry, NULL);
657 if (IS_ERR(res))
659 return ERR_CAST(res);
658 return PTR_ERR(res);
660
661 if (res)
662 dentry = res;
663 }
664
665 /* We don't deal with positive dentries here */
666 if (dentry->d_inode) {
667 finish_no_open(od, res);
659
660 if (res)
661 dentry = res;
662 }
663
664 /* We don't deal with positive dentries here */
665 if (dentry->d_inode) {
666 finish_no_open(od, res);
668 return NULL;
667 return 1;
669 }
670
671 *opened |= FILE_CREATED;
668 }
669
670 *opened |= FILE_CREATED;
672 filp = ceph_lookup_open(dir, dentry, od, flags, mode, opened);
671 err = ceph_lookup_open(dir, dentry, od, flags, mode, opened);
673 dput(res);
674
672 dput(res);
673
675 return filp;
674 return err;
676}
677
678/*
679 * If we do a create but get no trace back from the MDS, follow up with
680 * a lookup (the VFS expects us to link up the provided dentry).
681 */
682int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry)
683{

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676
677/*
678 * If we do a create but get no trace back from the MDS, follow up with
679 * a lookup (the VFS expects us to link up the provided dentry).
680 */
681int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry)
682{

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