diff options
Diffstat (limited to 'fs/ceph/file.c')
| -rw-r--r-- | fs/ceph/file.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 7a57db8e2fa9..2595052d5eef 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -454,6 +454,9 @@ int ceph_atomic_open(struct inode *dir, struct dentry *dentry, err = ceph_pre_init_acls(dir, &mode, &acls); if (err < 0) return err; + } else if (!d_in_lookup(dentry)) { + /* If it's not being looked up, it's negative */ + return -ENOENT; } /* do the open */ @@ -1381,9 +1384,12 @@ static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from) struct inode *inode = file_inode(file); struct ceph_inode_info *ci = ceph_inode(inode); struct ceph_fs_client *fsc = ceph_inode_to_client(inode); + struct ceph_osd_client *osdc = &fsc->client->osdc; struct ceph_cap_flush *prealloc_cf; ssize_t count, written = 0; int err, want, got; + u32 map_flags; + u64 pool_flags; loff_t pos; loff_t limit = max(i_size_read(inode), fsc->max_file_size); @@ -1438,8 +1444,12 @@ retry_snap: goto out; } - /* FIXME: not complete since it doesn't account for being at quota */ - if (ceph_osdmap_flag(&fsc->client->osdc, CEPH_OSDMAP_FULL)) { + down_read(&osdc->lock); + map_flags = osdc->osdmap->flags; + pool_flags = ceph_pg_pool_flags(osdc->osdmap, ci->i_layout.pool_id); + up_read(&osdc->lock); + if ((map_flags & CEPH_OSDMAP_FULL) || + (pool_flags & CEPH_POOL_FLAG_FULL)) { err = -ENOSPC; goto out; } @@ -1529,7 +1539,8 @@ retry_snap: } if (written >= 0) { - if (ceph_osdmap_flag(&fsc->client->osdc, CEPH_OSDMAP_NEARFULL)) + if ((map_flags & CEPH_OSDMAP_NEARFULL) || + (pool_flags & CEPH_POOL_FLAG_NEARFULL)) iocb->ki_flags |= IOCB_DSYNC; written = generic_write_sync(iocb, written); } @@ -1923,10 +1934,18 @@ static ssize_t ceph_copy_file_range(struct file *src_file, loff_t src_off, if (ceph_test_mount_opt(ceph_inode_to_client(src_inode), NOCOPYFROM)) return -EOPNOTSUPP; + /* + * Striped file layouts require that we copy partial objects, but the + * OSD copy-from operation only supports full-object copies. Limit + * this to non-striped file layouts for now. + */ if ((src_ci->i_layout.stripe_unit != dst_ci->i_layout.stripe_unit) || - (src_ci->i_layout.stripe_count != dst_ci->i_layout.stripe_count) || - (src_ci->i_layout.object_size != dst_ci->i_layout.object_size)) + (src_ci->i_layout.stripe_count != 1) || + (dst_ci->i_layout.stripe_count != 1) || + (src_ci->i_layout.object_size != dst_ci->i_layout.object_size)) { + dout("Invalid src/dst files layout\n"); return -EOPNOTSUPP; + } if (len < src_ci->i_layout.object_size) return -EOPNOTSUPP; /* no remote copy will be done */ |