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Introduce i_blockmask() to simplify code, which replace (i_blocksize(node) - 1). Like done in commit 93407472a21b("fs: add i_blocksize()"). Signed-off-by: Yangtao Li <frank.li at vivo.com> --- v4: -drop ext4 patch -erofs patch based on mainline -a bit change in ocfs2 patch include/linux/fs.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/fs.h

Introduce i_blockmask() to simplify code, which replace (i_blocksize(node) - 1). Like done in commit 93407472a21b("fs: add i_blocksize()"). Signed-off-by: Yangtao Li <frank.li at vivo.com> --- v3: -none v2: -convert to i_blockmask() include/linux/fs.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index c85916e9f7db..17387d465b8b

Added two debugfs entries... one to dump o2hb livenodes and the other to dump osb. $ cat /sys/kernel/debug/ocfs2/BC4F4550BEA74F92BDCC746AAD2EC0BF/fs_state Device => Id: 8,65 Uuid: BC4F4550BEA74F92BDCC746AAD2EC0BF Gen: 0xA02024F2 Label: sunil-xattr Volume => State: 1 Flags: 0x0 Sizes => Block: 4096 Cluster: 4096 Features => Compat: 0x1 Incompat: 0x350 ROcompat: 0x1

...inux-2.4.15-pre4/include -Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe -mno-fp-regs -ffixed-8 -mcpu=ev5 -Wa,-mev6 -DEXPORT_SYMTAB -c journal.c journal.c: In function `journal_init_inode': journal.c:758: warning: long long int format, loff_t arg (arg 5) rm -f jbd.o

The message from this sender included one or more files which could not be scanned for virus detection; do not open these files unless you are certain of the sender's intent. ---------------------------------------------------------------------- Introduce i_blockmask() to simplify code, which replace (i_blocksize(node) - 1). Like done in commit 93407472a21b("fs: add i_blocksize()").

...e addition to orphan list + * happens in the same transaction as write - we don't have to write any data + * in such case). */ -int jbd2_journal_begin_ordered_truncate(struct jbd2_inode *inode, +int jbd2_journal_begin_ordered_truncate(journal_t *journal, + struct jbd2_inode *jinode, loff_t new_size) { - journal_t *journal; - transaction_t *commit_trans; + transaction_t *inode_trans, *commit_trans; int ret = 0; - if (!inode->i_transaction && !inode->i_next_transaction) + /* This is a quick check to avoid locking if not necessary */ + if (!jinode->i_transaction)...

...er = info->par; > + struct drm_client_buffer *buffer = fb_helper->buffer; > + > + return !drm_fbdev_use_shadow_fb(fb_helper) && buffer->map.is_iomem; > +} > + > +static ssize_t fb_read_screen_base(struct fb_info *info, char __user *buf, size_t count, > + loff_t pos) > +{ > + const char __iomem *src = info->screen_base + pos; Maybe a bit much a bikeshed, but I'd write this in terms of drm objects, like the dirty_blit function, using the dma_buf_map (instead of the fb_info parameter). And then instead of screen_base and screen_buffer suffixes...

...er = info->par; > + struct drm_client_buffer *buffer = fb_helper->buffer; > + > + return !drm_fbdev_use_shadow_fb(fb_helper) && buffer->map.is_iomem; > +} > + > +static ssize_t fb_read_screen_base(struct fb_info *info, char __user *buf, size_t count, > + loff_t pos) The naming here confused me - a name like: fb_read_iomem() would have helped me more. With the current naming I shall remember that the screen_base member is the iomem pointer. > +{ > + const char __iomem *src = info->screen_base + pos; > + size_t alloc_size = min(count, PAGE_SIZE...

...+2921,7 @@ static int ocfs2_duplicate_clusters_by_page(handle_t *handle, struct super_block *sb = ocfs2_metadata_cache_get_super(ci); u64 new_block = ocfs2_clusters_to_blocks(sb, new_cluster); struct page *page; - pgoff_t page_index; + pgoff_t page_index, last_page; unsigned int from, to; loff_t offset, end, map_end; struct address_space *mapping = context->inode->i_mapping; @@ -2932,12 +2932,20 @@ static int ocfs2_duplicate_clusters_by_page(handle_t *handle, offset = ((loff_t)cpos) << OCFS2_SB(sb)->s_clustersize_bits; end = offset + (new_len << OCFS2_SB(sb)->...

...rs to provide mdev instances ============================================= The read()/write()/ioctl()/mmap()/open()/release() mdev parent ops have been provided for accelerators' drivers to provide mdev instances. ssize_t vdpa_read(struct mdev_device *mdev, char __user *buf, size_t count, loff_t *ppos); ssize_t vdpa_write(struct mdev_device *mdev, const char __user *buf, size_t count, loff_t *ppos); long vdpa_ioctl(struct mdev_device *mdev, unsigned int cmd, unsigned long arg); int vdpa_mmap(struct mdev_device *mdev, struct vm_area_struct *vma); int vdpa_open(struct mdev_device *mdev)...

...rs to provide mdev instances ============================================= The read()/write()/ioctl()/mmap()/open()/release() mdev parent ops have been provided for accelerators' drivers to provide mdev instances. ssize_t vdpa_read(struct mdev_device *mdev, char __user *buf, size_t count, loff_t *ppos); ssize_t vdpa_write(struct mdev_device *mdev, const char __user *buf, size_t count, loff_t *ppos); long vdpa_ioctl(struct mdev_device *mdev, unsigned int cmd, unsigned long arg); int vdpa_mmap(struct mdev_device *mdev, struct vm_area_struct *vma); int vdpa_open(struct mdev_device *mdev)...

...========================================= > > The read()/write()/ioctl()/mmap()/open()/release() mdev > parent ops have been provided for accelerators' drivers > to provide mdev instances. > > ssize_t vdpa_read(struct mdev_device *mdev, char __user *buf, > size_t count, loff_t *ppos); > ssize_t vdpa_write(struct mdev_device *mdev, const char __user *buf, > size_t count, loff_t *ppos); > long vdpa_ioctl(struct mdev_device *mdev, unsigned int cmd, unsigned long arg); > int vdpa_mmap(struct mdev_device *mdev, struct vm_area_struct *vma); > int vdpa_open(...

....c b/mm/filemap.c index 140ebda..829ac9c 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1263,7 +1263,7 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov, { struct file *filp = iocb->ki_filp; ssize_t retval; - unsigned long seg; + unsigned long seg = 0; size_t count; loff_t *ppos = &iocb->ki_pos; @@ -1290,21 +1290,47 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov, retval = mapping->a_ops->direct_IO(READ, iocb, iov, pos, nr_segs); } - if (retval > 0) + if (retval > 0) { *ppos = pos + retval; - if (r...

...fs_info, NO_HOLES)) + goto out; + key.objectid = btrfs_ino(inode); key.type = BTRFS_EXTENT_DATA_KEY; key.offset = offset; - ret = btrfs_search_slot(trans, root, &key, path, 0, 1); if (ret < 0) return ret; @@ -2064,8 +2066,10 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) u64 drop_end; int ret = 0; int err = 0; + int rsv_count; bool same_page = ((offset >> PAGE_CACHE_SHIFT) == ((offset + len - 1) >> PAGE_CACHE_SHIFT)); + bool no_holes = btrfs_fs_incompat(root->fs_info, NO_HOLES); btrfs_wait_ordered_range(inode, of...

...} - btrfs_wait_ordered_range(inode, start_pos, - last_pos - start_pos); + err = btrfs_wait_ordered_range(inode, start_pos, + last_pos - start_pos); + if (err) + goto fail; goto again; } if (ordered) @@ -1808,8 +1811,13 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) atomic_inc(&root->log_batch); full_sync = test_bit(BTRFS_INODE_NEEDS_FULL_SYNC, &BTRFS_I(inode)->runtime_flags); - if (full_sync) - btrfs_wait_ordered_range(inode, start, end - start + 1); + if (full_sync) { + ret = btrfs_wait_ordered_ra...

...1ec032 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -82,6 +82,8 @@ struct dio { int reap_counter; /* rate limit reaping */ get_block_t *get_block; /* block mapping function */ dio_iodone_t *end_io; /* IO completion function */ + dio_submit_t *submit_io; /* IO submition function */ + loff_t logical_offset_in_bio; /* current first logical block in bio */ sector_t final_block_in_bio; /* current final block in bio + 1 */ sector_t next_block_for_io; /* next block to be put under IO, in dio_blocks units */ @@ -96,6 +98,7 @@ struct dio { unsigned cur_page_offset; /* Offset in...

...e/linux/jbd2.h | 3 ++- 4 files changed, 50 insertions(+), 14 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 6e7f085..7b063d4 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -46,8 +46,10 @@ static inline int ext4_begin_ordered_truncate(struct inode *inode, loff_t new_size) { - return jbd2_journal_begin_ordered_truncate(&EXT4_I(inode)->jinode, - new_size); + return jbd2_journal_begin_ordered_truncate( + EXT4_SB(inode->i_sb)->s_journal, + &EXT4_I(inode)->jinode, + new_size); } static void ext4_invalidatepage(struct...

...+ > + vdpa->ops->stop(vdpa); > + mdev_set_drvdata(mdev, NULL); > + mutex_destroy(&vdpa->ops_lock); > + kfree(vdpa); > +} > +EXPORT_SYMBOL(vdpa_free); > + > +static ssize_t vdpa_handle_config_read(struct mdev_device *mdev, > + char __user *buf, size_t count, loff_t *ppos) > +{ > + struct vdpa_dev *vdpa; > + struct vhost_vfio_op *op = NULL; > + loff_t pos = *ppos; > + loff_t offset; > + int ret; > + > + vdpa = mdev_get_drvdata(mdev); > + if (!vdpa) { > + ret = -ENODEV; > + goto out; > + } > + > + offset = VDPA_VFIO_V...

...mdev_device *mdev; + + mdev = vdpa->mdev; + + vdpa->ops->stop(vdpa); + mdev_set_drvdata(mdev, NULL); + mutex_destroy(&vdpa->ops_lock); + kfree(vdpa); +} +EXPORT_SYMBOL(vdpa_free); + +static ssize_t vdpa_handle_config_read(struct mdev_device *mdev, + char __user *buf, size_t count, loff_t *ppos) +{ + struct vdpa_dev *vdpa; + struct vhost_vfio_op *op = NULL; + loff_t pos = *ppos; + loff_t offset; + int ret; + + vdpa = mdev_get_drvdata(mdev); + if (!vdpa) { + ret = -ENODEV; + goto out; + } + + offset = VDPA_VFIO_VHOST_REGION_OFFSET(pos); + if (offset != 0) { + ret = -EINVAL; + got...

...mdev_device *mdev; + + mdev = vdpa->mdev; + + vdpa->ops->stop(vdpa); + mdev_set_drvdata(mdev, NULL); + mutex_destroy(&vdpa->ops_lock); + kfree(vdpa); +} +EXPORT_SYMBOL(vdpa_free); + +static ssize_t vdpa_handle_config_read(struct mdev_device *mdev, + char __user *buf, size_t count, loff_t *ppos) +{ + struct vdpa_dev *vdpa; + struct vhost_vfio_op *op = NULL; + loff_t pos = *ppos; + loff_t offset; + int ret; + + vdpa = mdev_get_drvdata(mdev); + if (!vdpa) { + ret = -ENODEV; + goto out; + } + + offset = VDPA_VFIO_VHOST_REGION_OFFSET(pos); + if (offset != 0) { + ret = -EINVAL; + got...