Pull block updates from Jens Axboe:
- NVMe updates via Keith:
- Device initialization memory leak fixes (Keith)
- More constants defined (Weiwen)
- Target debugfs support (Hannes)
- PCIe subsystem reset enhancements (Keith)
- Queue-depth multipath policy (Redhat and PureStorage)
- Implement get_unique_id (Christoph)
- Authentication error fixes (Gaosheng)
- MD updates via Song
- sync_action fix and refactoring (Yu Kuai)
- Various small fixes (Christoph Hellwig, Li Nan, and Ofir Gal, Yu
Kuai, Benjamin Marzinski, Christophe JAILLET, Yang Li)
- Fix loop detach/open race (Gulam)
- Fix lower control limit for blk-throttle (Yu)
- Add module descriptions to various drivers (Jeff)
- Add support for atomic writes for block devices, and statx reporting
for same. Includes SCSI and NVMe (John, Prasad, Alan)
- Add IO priority information to block trace points (Dongliang)
- Various zone improvements and tweaks (Damien)
- mq-deadline tag reservation improvements (Bart)
- Ignore direct reclaim swap writes in writeback throttling (Baokun)
- Block integrity improvements and fixes (Anuj)
- Add basic support for rust based block drivers. Has a dummy null_blk
variant for now (Andreas)
- Series converting driver settings to queue limits, and cleanups and
fixes related to that (Christoph)
- Cleanup for poking too deeply into the bvec internals, in preparation
for DMA mapping API changes (Christoph)
- Various minor tweaks and fixes (Jiapeng, John, Kanchan, Mikulas,
Ming, Zhu, Damien, Christophe, Chaitanya)
* tag 'for-6.11/block-
20240710' of git://git.kernel.dk/linux: (206 commits)
floppy: add missing MODULE_DESCRIPTION() macro
loop: add missing MODULE_DESCRIPTION() macro
ublk_drv: add missing MODULE_DESCRIPTION() macro
xen/blkback: add missing MODULE_DESCRIPTION() macro
block/rnbd: Constify struct kobj_type
block: take offset into account in blk_bvec_map_sg again
block: fix get_max_segment_size() warning
loop: Don't bother validating blocksize
virtio_blk: Don't bother validating blocksize
null_blk: Don't bother validating blocksize
block: Validate logical block size in blk_validate_limits()
virtio_blk: Fix default logical block size fallback
nvmet-auth: fix nvmet_auth hash error handling
nvme: implement ->get_unique_id
block: pass a phys_addr_t to get_max_segment_size
block: add a bvec_phys helper
blk-lib: check for kill signal in ioctl BLKZEROOUT
block: limit the Write Zeroes to manually writing zeroes fallback
block: refacto blkdev_issue_zeroout
block: move read-only and supported checks into (__)blkdev_issue_zeroout
...
}
/*
- * Handle STATX_DIOALIGN for block devices.
- *
- * Note that the inode passed to this is the inode of a block device node file,
- * not the block device's internal inode. Therefore it is *not* valid to use
- * I_BDEV() here; the block device has to be looked up by i_rdev instead.
+ * Handle STATX_{DIOALIGN, WRITE_ATOMIC} for block devices.
*/
- void bdev_statx_dioalign(struct inode *inode, struct kstat *stat)
-void bdev_statx(struct inode *backing_inode, struct kstat *stat,
++void bdev_statx(struct path *path, struct kstat *stat,
+ u32 request_mask)
{
++ struct inode *backing_inode;
struct block_device *bdev;
- bdev = blkdev_get_no_open(inode->i_rdev);
+ if (!(request_mask & (STATX_DIOALIGN | STATX_WRITE_ATOMIC)))
+ return;
+
++ backing_inode = d_backing_inode(path->dentry);
++
+ /*
+ * Note that backing_inode is the inode of a block device node file,
+ * not the block device's internal inode. Therefore it is *not* valid
+ * to use I_BDEV() here; the block device has to be looked up by i_rdev
+ * instead.
+ */
+ bdev = blkdev_get_no_open(backing_inode->i_rdev);
if (!bdev)
return;
return lookup_flags;
}
- /* Handle STATX_DIOALIGN for block devices. */
- if (request_mask & STATX_DIOALIGN) {
- struct inode *inode = d_backing_inode(path->dentry);
-
- if (S_ISBLK(inode->i_mode))
- bdev_statx_dioalign(inode, stat);
- }
+static int vfs_statx_path(struct path *path, int flags, struct kstat *stat,
+ u32 request_mask)
+{
+ int error = vfs_getattr(path, stat, request_mask, flags);
+
+ if (request_mask & STATX_MNT_ID_UNIQUE) {
+ stat->mnt_id = real_mount(path->mnt)->mnt_id_unique;
+ stat->result_mask |= STATX_MNT_ID_UNIQUE;
+ } else {
+ stat->mnt_id = real_mount(path->mnt)->mnt_id;
+ stat->result_mask |= STATX_MNT_ID;
+ }
+
+ if (path_mounted(path))
+ stat->attributes |= STATX_ATTR_MOUNT_ROOT;
+ stat->attributes_mask |= STATX_ATTR_MOUNT_ROOT;
+
++ /*
++ * If this is a block device inode, override the filesystem
++ * attributes with the block device specific parameters that need to be
++ * obtained from the bdev backing inode.
++ */
++ if (S_ISBLK(stat->mode))
++ bdev_statx(path, stat, request_mask);
+
+ return error;
+}
+
+static int vfs_statx_fd(int fd, int flags, struct kstat *stat,
+ u32 request_mask)
+{
+ CLASS(fd_raw, f)(fd);
+ if (!f.file)
+ return -EBADF;
+ return vfs_statx_path(&f.file->f_path, flags, stat, request_mask);
+}
+
/**
* vfs_statx - Get basic and extra attributes by filename
* @dfd: A file descriptor representing the base dir for a relative filename
int sync_blockdev_range(struct block_device *bdev, loff_t lstart, loff_t lend);
int sync_blockdev_nowait(struct block_device *bdev);
void sync_bdevs(bool wait);
- void bdev_statx_dioalign(struct inode *inode, struct kstat *stat);
-void bdev_statx(struct inode *backing_inode, struct kstat *stat,
- u32 request_mask);
++void bdev_statx(struct path *, struct kstat *, u32);
void printk_all_partitions(void);
int __init early_lookup_bdev(const char *pathname, dev_t *dev);
#else
static inline void sync_bdevs(bool wait)
{
}
- static inline void bdev_statx_dioalign(struct inode *inode, struct kstat *stat)
-static inline void bdev_statx(struct inode *backing_inode, struct kstat *stat,
++static inline void bdev_statx(struct path *path, struct kstat *stat,
+ u32 request_mask)
{
}
static inline void printk_all_partitions(void)
extern int generic_fadvise(struct file *file, loff_t offset, loff_t len,
int advice);
+static inline bool vfs_empty_path(int dfd, const char __user *path)
+{
+ char c;
+
+ if (dfd < 0)
+ return false;
+
+ /* We now allow NULL to be used for empty path. */
+ if (!path)
+ return true;
+
+ if (unlikely(get_user(c, path)))
+ return false;
+
+ return !c;
+}
+
+ bool generic_atomic_write_valid(struct iov_iter *iter, loff_t pos);
+
#endif /* _LINUX_FS_H */
projects / linux-2.6-block.git / commitdiff