orangefs: fixes and cleanups
+ fix some sparse warnings + cleanup some code formatting + fix up some attribute/meta-data related code -----BEGIN PGP SIGNATURE----- iQIbBAABAgAGBQJbGUIEAAoJEM9EDqnrzg2+3ygP9RPTSd2Mh/vyzokxmBacT/iW CrJXdrJkG+Yb/adGuT2UAPIMg73aGLqAPMN8dHhfhzotdd1BgrhMK+zZECUClwOf dxQCA+RFn1YofXMojqWYAFtJ6ptJgMDJxje62hS+QCWzDz0IM1PYr2qCQPs1IRmb CWVuP1igwt82VIVLey8YEuI5yuOnFOSO+7rKi7TPsY991oPxxz2brmrMuiW2Dg0W 6MCP19XUBpxdDJWtL2GWXAwgkP9JYkhokwkAloqWXoOpDUf0EniomuRMBLOtISoO tJfgnYIN+7sRTSbqsNtKQrm7f8/B01t+tGuzJYDGlUls02V3DkS9EjypvP+VZ6e9 bsN3oQHD6xFx/7egxUVBRFD6Hw83j58DH1N+79whVrU3ospkj3z0QX1g6zqgY2ew mgileXBAJQD+SUr0F42QqeFVexjky9dKtDZLQe42jxLZXpPly2t737h4ZatdW3ro yKJLUzuHbLGQzgGJOSQsSfmwUkSeTilgCV6WFyJWinlxUWQEkp0F+1u5B4RX87BQ SHUz5O3pWDpz+kLtauzsVlXDbBQfZHimIbnKWHZoQ5dER/LQfWBfvOz+CT/5uBBg qhdPZ4wKLD4qvzByuZJKyYmPXpUoOWh/i5QcvJ8B8rNxCx8XEP/VoikjUqkCUajb 4HFQwnZtnQOLfnufTTw= =vwvd -----END PGP SIGNATURE----- Merge tag 'for-linus-4.18-ofs' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux Pull orangefs updates from Mike Marshall: "Fixes and cleanups: - fix some sparse warnings - cleanup some code formatting - fix up some attribute/meta-data related code" * tag 'for-linus-4.18-ofs' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux: orangefs: use sparse annotations for holding locks across function calls. orangefs: make debug_help_fops static orangefs: remove unused function orangefs_get_bufmap_init orangefs: specify user pointers when using dev_map_desc and bufmap orangefs: formatting cleanups orangefs: set i_size on new symlink orangefs: report attributes_mask and attributes for statx orangefs: make struct orangefs_file_vm_ops static orangefs: revamp block sizes
This commit is contained in:
commit
091a0f2785
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@ -281,14 +281,17 @@ static ssize_t orangefs_devreq_read(struct file *file,
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ret = copy_to_user(buf, &proto_ver, sizeof(__s32));
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if (ret != 0)
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goto error;
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ret = copy_to_user(buf+sizeof(__s32), &magic, sizeof(__s32));
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ret = copy_to_user(buf + sizeof(__s32), &magic, sizeof(__s32));
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if (ret != 0)
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goto error;
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ret = copy_to_user(buf+2 * sizeof(__s32), &cur_op->tag, sizeof(__u64));
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ret = copy_to_user(buf + 2 * sizeof(__s32),
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&cur_op->tag,
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sizeof(__u64));
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if (ret != 0)
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goto error;
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ret = copy_to_user(buf+2*sizeof(__s32)+sizeof(__u64), &cur_op->upcall,
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sizeof(struct orangefs_upcall_s));
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ret = copy_to_user(buf + 2 * sizeof(__s32) + sizeof(__u64),
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&cur_op->upcall,
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sizeof(struct orangefs_upcall_s));
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if (ret != 0)
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goto error;
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@ -381,7 +384,7 @@ static ssize_t orangefs_devreq_write_iter(struct kiocb *iocb,
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(unsigned int) MAX_DEV_REQ_DOWNSIZE);
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return -EFAULT;
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}
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if (!copy_from_iter_full(&head, head_size, iter)) {
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gossip_err("%s: failed to copy head.\n", __func__);
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return -EFAULT;
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@ -426,7 +429,7 @@ static ssize_t orangefs_devreq_write_iter(struct kiocb *iocb,
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goto wakeup;
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/*
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* We've successfully peeled off the head and the downcall.
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* We've successfully peeled off the head and the downcall.
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* Something has gone awry if total doesn't equal the
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* sum of head_size, downcall_size and trailer_size.
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*/
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@ -477,7 +480,7 @@ static ssize_t orangefs_devreq_write_iter(struct kiocb *iocb,
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wakeup:
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/*
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* Return to vfs waitqueue, and back to service_operation
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* through wait_for_matching_downcall.
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* through wait_for_matching_downcall.
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*/
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spin_lock(&op->lock);
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if (unlikely(op_is_cancel(op))) {
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@ -162,7 +162,7 @@ static ssize_t wait_for_direct_io(enum ORANGEFS_io_type type, struct inode *inod
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else
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ret = 0;
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break;
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/*
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/*
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* If the op was in progress when the interrupt
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* occurred, then the client-core was able to
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* trigger the write.
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@ -544,7 +544,7 @@ static int orangefs_fault(struct vm_fault *vmf)
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return filemap_fault(vmf);
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}
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const struct vm_operations_struct orangefs_file_vm_ops = {
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static const struct vm_operations_struct orangefs_file_vm_ops = {
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.fault = orangefs_fault,
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.map_pages = filemap_map_pages,
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.page_mkwrite = filemap_page_mkwrite,
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@ -20,8 +20,8 @@ static int read_one_page(struct page *page)
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int max_block;
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ssize_t bytes_read = 0;
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struct inode *inode = page->mapping->host;
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const __u32 blocksize = PAGE_SIZE; /* inode->i_blksize */
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const __u32 blockbits = PAGE_SHIFT; /* inode->i_blkbits */
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const __u32 blocksize = PAGE_SIZE;
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const __u32 blockbits = PAGE_SHIFT;
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struct iov_iter to;
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struct bio_vec bv = {.bv_page = page, .bv_len = PAGE_SIZE};
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@ -181,16 +181,15 @@ static int orangefs_setattr_size(struct inode *inode, struct iattr *iattr)
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new_op->upcall.req.truncate.refn = orangefs_inode->refn;
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new_op->upcall.req.truncate.size = (__s64) iattr->ia_size;
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ret = service_operation(new_op, __func__,
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get_interruptible_flag(inode));
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ret = service_operation(new_op,
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__func__,
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get_interruptible_flag(inode));
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/*
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* the truncate has no downcall members to retrieve, but
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* the status value tells us if it went through ok or not
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*/
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gossip_debug(GOSSIP_INODE_DEBUG,
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"orangefs: orangefs_truncate got return value of %d\n",
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ret);
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gossip_debug(GOSSIP_INODE_DEBUG, "%s: ret:%d:\n", __func__, ret);
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op_release(new_op);
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@ -212,8 +211,9 @@ int orangefs_setattr(struct dentry *dentry, struct iattr *iattr)
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struct inode *inode = dentry->d_inode;
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gossip_debug(GOSSIP_INODE_DEBUG,
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"orangefs_setattr: called on %pd\n",
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dentry);
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"%s: called on %pd\n",
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__func__,
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dentry);
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ret = setattr_prepare(dentry, iattr);
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if (ret)
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@ -230,15 +230,16 @@ int orangefs_setattr(struct dentry *dentry, struct iattr *iattr)
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ret = orangefs_inode_setattr(inode, iattr);
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gossip_debug(GOSSIP_INODE_DEBUG,
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"orangefs_setattr: inode_setattr returned %d\n",
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ret);
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"%s: orangefs_inode_setattr returned %d\n",
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__func__,
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ret);
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if (!ret && (iattr->ia_valid & ATTR_MODE))
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/* change mod on a file that has ACLs */
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ret = posix_acl_chmod(inode, inode->i_mode);
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out:
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gossip_debug(GOSSIP_INODE_DEBUG, "orangefs_setattr: returning %d\n", ret);
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gossip_debug(GOSSIP_INODE_DEBUG, "%s: ret:%d:\n", __func__, ret);
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return ret;
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}
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@ -262,13 +263,19 @@ int orangefs_getattr(const struct path *path, struct kstat *stat,
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/* override block size reported to stat */
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orangefs_inode = ORANGEFS_I(inode);
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stat->blksize = orangefs_inode->blksize;
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if (request_mask & STATX_SIZE)
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stat->result_mask = STATX_BASIC_STATS;
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else
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stat->result_mask = STATX_BASIC_STATS &
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~STATX_SIZE;
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stat->attributes_mask = STATX_ATTR_IMMUTABLE |
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STATX_ATTR_APPEND;
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if (inode->i_flags & S_IMMUTABLE)
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stat->attributes |= STATX_ATTR_IMMUTABLE;
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if (inode->i_flags & S_APPEND)
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stat->attributes |= STATX_ATTR_APPEND;
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}
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return ret;
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}
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@ -306,7 +313,7 @@ int orangefs_update_time(struct inode *inode, struct timespec *time, int flags)
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return orangefs_inode_setattr(inode, &iattr);
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}
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/* ORANGEDS2 implementation of VFS inode operations for files */
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/* ORANGEFS2 implementation of VFS inode operations for files */
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static const struct inode_operations orangefs_file_inode_operations = {
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.get_acl = orangefs_get_acl,
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.set_acl = orangefs_set_acl,
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@ -325,7 +332,6 @@ static int orangefs_init_iops(struct inode *inode)
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case S_IFREG:
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inode->i_op = &orangefs_file_inode_operations;
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inode->i_fop = &orangefs_file_operations;
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inode->i_blkbits = PAGE_SHIFT;
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break;
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case S_IFLNK:
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inode->i_op = &orangefs_symlink_inode_operations;
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@ -345,8 +351,8 @@ static int orangefs_init_iops(struct inode *inode)
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}
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/*
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* Given a ORANGEFS object identifier (fsid, handle), convert it into a ino_t type
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* that will be used as a hash-index from where the handle will
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* Given an ORANGEFS object identifier (fsid, handle), convert it into
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* a ino_t type that will be used as a hash-index from where the handle will
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* be searched for in the VFS hash table of inodes.
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*/
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static inline ino_t orangefs_handle_hash(struct orangefs_object_kref *ref)
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@ -376,8 +382,10 @@ static int orangefs_test_inode(struct inode *inode, void *data)
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struct orangefs_inode_s *orangefs_inode = NULL;
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orangefs_inode = ORANGEFS_I(inode);
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return (!ORANGEFS_khandle_cmp(&(orangefs_inode->refn.khandle), &(ref->khandle))
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&& orangefs_inode->refn.fs_id == ref->fs_id);
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/* test handles and fs_ids... */
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return (!ORANGEFS_khandle_cmp(&(orangefs_inode->refn.khandle),
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&(ref->khandle)) &&
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orangefs_inode->refn.fs_id == ref->fs_id);
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}
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/*
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@ -385,16 +393,21 @@ static int orangefs_test_inode(struct inode *inode, void *data)
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* file handle.
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*
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* @sb: the file system super block instance.
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* @ref: The ORANGEFS object for which we are trying to locate an inode structure.
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* @ref: The ORANGEFS object for which we are trying to locate an inode.
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*/
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struct inode *orangefs_iget(struct super_block *sb, struct orangefs_object_kref *ref)
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struct inode *orangefs_iget(struct super_block *sb,
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struct orangefs_object_kref *ref)
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{
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struct inode *inode = NULL;
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unsigned long hash;
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int error;
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hash = orangefs_handle_hash(ref);
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inode = iget5_locked(sb, hash, orangefs_test_inode, orangefs_set_inode, ref);
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inode = iget5_locked(sb,
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hash,
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orangefs_test_inode,
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orangefs_set_inode,
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ref);
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if (!inode || !(inode->i_state & I_NEW))
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return inode;
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|
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@ -278,6 +278,13 @@ static int orangefs_symlink(struct inode *dir,
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ret = PTR_ERR(inode);
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goto out;
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}
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/*
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* This is necessary because orangefs_inode_getattr will not
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* re-read symlink size as it is impossible for it to change.
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* Invalidating the cache does not help. orangefs_new_inode
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* does not set the correct size (it does not know symname).
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*/
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inode->i_size = strlen(symname);
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gossip_debug(GOSSIP_NAME_DEBUG,
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"Assigned symlink inode new number of %pU\n",
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|
|
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@ -138,7 +138,7 @@ static int get(struct slot_map *m)
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/* used to describe mapped buffers */
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struct orangefs_bufmap_desc {
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void *uaddr; /* user space address pointer */
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void __user *uaddr; /* user space address pointer */
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struct page **page_array; /* array of mapped pages */
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int array_count; /* size of above arrays */
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struct list_head list_link;
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@ -184,7 +184,7 @@ orangefs_bufmap_free(struct orangefs_bufmap *bufmap)
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}
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/*
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* XXX: Can the size and shift change while the caller gives up the
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* XXX: Can the size and shift change while the caller gives up the
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* XXX: lock between calling this and doing something useful?
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*/
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|
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|
@ -215,20 +215,6 @@ int orangefs_bufmap_shift_query(void)
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static DECLARE_WAIT_QUEUE_HEAD(bufmap_waitq);
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static DECLARE_WAIT_QUEUE_HEAD(readdir_waitq);
|
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|
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/*
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* orangefs_get_bufmap_init
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*
|
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* If bufmap_init is 1, then the shared memory system, including the
|
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* buffer_index_array, is available. Otherwise, it is not.
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*
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* returns the value of bufmap_init
|
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*/
|
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int orangefs_get_bufmap_init(void)
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{
|
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return __orangefs_bufmap ? 1 : 0;
|
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}
|
||||
|
||||
|
||||
static struct orangefs_bufmap *
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orangefs_bufmap_alloc(struct ORANGEFS_dev_map_desc *user_desc)
|
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{
|
||||
|
@ -496,7 +482,7 @@ void orangefs_readdir_index_put(int buffer_index)
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}
|
||||
|
||||
/*
|
||||
* we've been handed an iovec, we need to copy it to
|
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* we've been handed an iovec, we need to copy it to
|
||||
* the shared memory descriptor at "buffer_index".
|
||||
*/
|
||||
int orangefs_bufmap_copy_from_iovec(struct iov_iter *iter,
|
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|
|
|
@ -114,7 +114,7 @@ static const struct seq_operations help_debug_ops = {
|
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.show = help_show,
|
||||
};
|
||||
|
||||
const struct file_operations debug_help_fops = {
|
||||
static const struct file_operations debug_help_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = orangefs_debug_help_open,
|
||||
.read = seq_read,
|
||||
|
|
|
@ -182,7 +182,6 @@ static inline void set_op_state_purged(struct orangefs_kernel_op_s *op)
|
|||
struct orangefs_inode_s {
|
||||
struct orangefs_object_kref refn;
|
||||
char link_target[ORANGEFS_NAME_MAX];
|
||||
__s64 blksize;
|
||||
/*
|
||||
* Reading/Writing Extended attributes need to acquire the appropriate
|
||||
* reader/writer semaphore on the orangefs_inode_s structure.
|
||||
|
|
|
@ -183,9 +183,9 @@ static inline int copy_attributes_from_inode(struct inode *inode,
|
|||
attrs->mask |= ORANGEFS_ATTR_SYS_CTIME;
|
||||
|
||||
/*
|
||||
* ORANGEFS cannot set size with a setattr operation. Probably not likely
|
||||
* to be requested through the VFS, but just in case, don't worry about
|
||||
* ATTR_SIZE
|
||||
* ORANGEFS cannot set size with a setattr operation. Probably not
|
||||
* likely to be requested through the VFS, but just in case, don't
|
||||
* worry about ATTR_SIZE
|
||||
*/
|
||||
|
||||
if (iattr->ia_valid & ATTR_MODE) {
|
||||
|
@ -200,14 +200,16 @@ static inline int copy_attributes_from_inode(struct inode *inode,
|
|||
tmp_mode -= S_ISVTX;
|
||||
} else {
|
||||
gossip_debug(GOSSIP_UTILS_DEBUG,
|
||||
"User attempted to set sticky bit on non-root directory; returning EINVAL.\n");
|
||||
"%s: setting sticky bit not supported.\n",
|
||||
__func__);
|
||||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
|
||||
if (tmp_mode & (S_ISUID)) {
|
||||
gossip_debug(GOSSIP_UTILS_DEBUG,
|
||||
"Attempting to set setuid bit (not supported); returning EINVAL.\n");
|
||||
"%s: setting setuid bit not supported.\n",
|
||||
__func__);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
|
@ -275,7 +277,7 @@ int orangefs_inode_getattr(struct inode *inode, int new, int bypass,
|
|||
{
|
||||
struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
|
||||
struct orangefs_kernel_op_s *new_op;
|
||||
loff_t inode_size, rounded_up_size;
|
||||
loff_t inode_size;
|
||||
int ret, type;
|
||||
|
||||
gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU\n", __func__,
|
||||
|
@ -330,22 +332,19 @@ int orangefs_inode_getattr(struct inode *inode, int new, int bypass,
|
|||
if (request_mask & STATX_SIZE || new) {
|
||||
inode_size = (loff_t)new_op->
|
||||
downcall.resp.getattr.attributes.size;
|
||||
rounded_up_size =
|
||||
(inode_size + (4096 - (inode_size % 4096)));
|
||||
inode->i_size = inode_size;
|
||||
orangefs_inode->blksize =
|
||||
new_op->downcall.resp.getattr.attributes.blksize;
|
||||
inode->i_blkbits = ffs(new_op->downcall.resp.getattr.
|
||||
attributes.blksize);
|
||||
spin_lock(&inode->i_lock);
|
||||
inode->i_bytes = inode_size;
|
||||
inode->i_blocks =
|
||||
(unsigned long)(rounded_up_size / 512);
|
||||
(inode_size + 512 - inode_size % 512)/512;
|
||||
spin_unlock(&inode->i_lock);
|
||||
}
|
||||
break;
|
||||
case S_IFDIR:
|
||||
if (request_mask & STATX_SIZE || new) {
|
||||
inode->i_size = PAGE_SIZE;
|
||||
orangefs_inode->blksize = i_blocksize(inode);
|
||||
spin_lock(&inode->i_lock);
|
||||
inode_set_bytes(inode, inode->i_size);
|
||||
spin_unlock(&inode->i_lock);
|
||||
|
@ -356,7 +355,6 @@ int orangefs_inode_getattr(struct inode *inode, int new, int bypass,
|
|||
if (new) {
|
||||
inode->i_size = (loff_t)strlen(new_op->
|
||||
downcall.resp.getattr.link_target);
|
||||
orangefs_inode->blksize = i_blocksize(inode);
|
||||
ret = strscpy(orangefs_inode->link_target,
|
||||
new_op->downcall.resp.getattr.link_target,
|
||||
ORANGEFS_NAME_MAX);
|
||||
|
@ -525,7 +523,9 @@ int orangefs_normalize_to_errno(__s32 error_code)
|
|||
error_code = -ETIMEDOUT;
|
||||
} else {
|
||||
/* assume a default error code */
|
||||
gossip_err("orangefs: warning: got error code without errno equivalent: %d.\n", error_code);
|
||||
gossip_err("%s: bad error code :%d:.\n",
|
||||
__func__,
|
||||
error_code);
|
||||
error_code = -EINVAL;
|
||||
}
|
||||
|
||||
|
@ -542,7 +542,7 @@ int orangefs_normalize_to_errno(__s32 error_code)
|
|||
* there is a bug somewhere.
|
||||
*/
|
||||
} else {
|
||||
gossip_err("orangefs: orangefs_normalize_to_errno: got error code which is not from ORANGEFS.\n");
|
||||
gossip_err("%s: unknown error code.\n", __func__);
|
||||
error_code = -EINVAL;
|
||||
}
|
||||
return error_code;
|
||||
|
|
|
@ -342,7 +342,7 @@ enum {
|
|||
* that may be 32 bit!
|
||||
*/
|
||||
struct ORANGEFS_dev_map_desc {
|
||||
void *ptr;
|
||||
void __user *ptr;
|
||||
__s32 total_size;
|
||||
__s32 size;
|
||||
__s32 count;
|
||||
|
|
|
@ -156,9 +156,10 @@ static int orangefs_statfs(struct dentry *dentry, struct kstatfs *buf)
|
|||
sb = dentry->d_sb;
|
||||
|
||||
gossip_debug(GOSSIP_SUPER_DEBUG,
|
||||
"orangefs_statfs: called on sb %p (fs_id is %d)\n",
|
||||
sb,
|
||||
(int)(ORANGEFS_SB(sb)->fs_id));
|
||||
"%s: called on sb %p (fs_id is %d)\n",
|
||||
__func__,
|
||||
sb,
|
||||
(int)(ORANGEFS_SB(sb)->fs_id));
|
||||
|
||||
new_op = op_alloc(ORANGEFS_VFS_OP_STATFS);
|
||||
if (!new_op)
|
||||
|
@ -198,7 +199,7 @@ static int orangefs_statfs(struct dentry *dentry, struct kstatfs *buf)
|
|||
|
||||
out_op_release:
|
||||
op_release(new_op);
|
||||
gossip_debug(GOSSIP_SUPER_DEBUG, "orangefs_statfs: returning %d\n", ret);
|
||||
gossip_debug(GOSSIP_SUPER_DEBUG, "%s: returning %d\n", __func__, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
@ -423,8 +424,8 @@ static int orangefs_fill_sb(struct super_block *sb,
|
|||
sb->s_op = &orangefs_s_ops;
|
||||
sb->s_d_op = &orangefs_dentry_operations;
|
||||
|
||||
sb->s_blocksize = orangefs_bufmap_size_query();
|
||||
sb->s_blocksize_bits = orangefs_bufmap_shift_query();
|
||||
sb->s_blocksize = PAGE_SIZE;
|
||||
sb->s_blocksize_bits = PAGE_SHIFT;
|
||||
sb->s_maxbytes = MAX_LFS_FILESIZE;
|
||||
|
||||
root_object.khandle = ORANGEFS_SB(sb)->root_khandle;
|
||||
|
|
|
@ -17,8 +17,12 @@
|
|||
#include "orangefs-kernel.h"
|
||||
#include "orangefs-bufmap.h"
|
||||
|
||||
static int wait_for_matching_downcall(struct orangefs_kernel_op_s *, long, bool);
|
||||
static void orangefs_clean_up_interrupted_operation(struct orangefs_kernel_op_s *);
|
||||
static int wait_for_matching_downcall(struct orangefs_kernel_op_s *op,
|
||||
long timeout,
|
||||
bool interruptible)
|
||||
__acquires(op->lock);
|
||||
static void orangefs_clean_up_interrupted_operation(struct orangefs_kernel_op_s *op)
|
||||
__releases(op->lock);
|
||||
|
||||
/*
|
||||
* What we do in this function is to walk the list of operations that are
|
||||
|
@ -246,6 +250,7 @@ bool orangefs_cancel_op_in_progress(struct orangefs_kernel_op_s *op)
|
|||
*/
|
||||
static void
|
||||
orangefs_clean_up_interrupted_operation(struct orangefs_kernel_op_s *op)
|
||||
__releases(op->lock)
|
||||
{
|
||||
/*
|
||||
* handle interrupted cases depending on what state we were in when
|
||||
|
@ -313,8 +318,9 @@ static void
|
|||
* Returns with op->lock taken.
|
||||
*/
|
||||
static int wait_for_matching_downcall(struct orangefs_kernel_op_s *op,
|
||||
long timeout,
|
||||
bool interruptible)
|
||||
long timeout,
|
||||
bool interruptible)
|
||||
__acquires(op->lock)
|
||||
{
|
||||
long n;
|
||||
|
||||
|
|
Loading…
Reference in New Issue