Displaying 20 results from an estimated 202 matches for "i_mapping".
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io_mapping
2012 Oct 16
3
[PATCH] Change the check for PageReadahead into an else-if
...ocation.c
index 4da0865..6362003 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2996,12 +2996,10 @@ static int relocate_file_extent_cluster(struct inode *inode,
ret = -ENOMEM;
goto out;
}
- }
-
- if (PageReadahead(page)) {
- page_cache_async_readahead(inode->i_mapping,
- ra, NULL, page, index,
- last_index + 1 - index);
+ } else if (PageReadahead(page)) {
+ page_cache_async_readahead(inode->i_mapping,
+ ra, NULL, page, index,
+ last_index + 1 - index);
}
if (!PageUptodate(page)) {
diff --git a/mm/filemap.c b/mm/filemap....
2010 Apr 26
0
[PATCH V2 11/12] Btrfs: Pre-allocate space for data relocation
...-ENOMEM;
- index = (cluster->start - offset) >> PAGE_CACHE_SHIFT;
- last_index = (cluster->end - offset) >> PAGE_CACHE_SHIFT;
+ ret = prealloc_file_extent_cluster(inode, cluster);
+ if (ret)
+ goto out;
- mutex_lock(&inode->i_mutex);
+ file_ra_state_init(ra, inode->i_mapping);
- i_size_write(inode, cluster->end + 1 - offset);
ret = setup_extent_mapping(inode, cluster->start - offset,
cluster->end - offset, cluster->start);
if (ret)
- goto out_unlock;
-
- file_ra_state_init(ra, inode->i_mapping);
+ goto out;
- WARN_ON(cluster->start !...
2019 Sep 05
1
[PATCH 1/8] drm/ttm: turn ttm_bo_device.vma_manager into a pointer
...af 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1728,6 +1728,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
r = ttm_bo_device_init(&adev->mman.bdev,
&amdgpu_bo_driver,
adev->ddev->anon_inode->i_mapping,
+ NULL,
adev->need_dma32);
if (r) {
DRM_ERROR("failed initializing buffer object driver(%d).\n", r);
diff --git a/drivers/gpu/drm/drm_vram_mm_helper.c b/drivers/gpu/drm/drm_vram_mm_helper.c
index c911781d6728..56fd1519eb35 100644
--- a/drivers/gpu/drm/drm_vram...
2019 Sep 05
1
[PATCH 1/8] drm/ttm: turn ttm_bo_device.vma_manager into a pointer
...af 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1728,6 +1728,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
r = ttm_bo_device_init(&adev->mman.bdev,
&amdgpu_bo_driver,
adev->ddev->anon_inode->i_mapping,
+ NULL,
adev->need_dma32);
if (r) {
DRM_ERROR("failed initializing buffer object driver(%d).\n", r);
diff --git a/drivers/gpu/drm/drm_vram_mm_helper.c b/drivers/gpu/drm/drm_vram_mm_helper.c
index c911781d6728..56fd1519eb35 100644
--- a/drivers/gpu/drm/drm_vram...
2019 Sep 05
1
[PATCH 1/8] drm/ttm: turn ttm_bo_device.vma_manager into a pointer
...af 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1728,6 +1728,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
r = ttm_bo_device_init(&adev->mman.bdev,
&amdgpu_bo_driver,
adev->ddev->anon_inode->i_mapping,
+ NULL,
adev->need_dma32);
if (r) {
DRM_ERROR("failed initializing buffer object driver(%d).\n", r);
diff --git a/drivers/gpu/drm/drm_vram_mm_helper.c b/drivers/gpu/drm/drm_vram_mm_helper.c
index c911781d6728..56fd1519eb35 100644
--- a/drivers/gpu/drm/drm_vram...
2013 Oct 25
0
[PATCH] Btrfs: return an error from btrfs_wait_ordered_range
...n)
{
+ int ret = 0;
u64 end;
u64 orig_end;
struct btrfs_ordered_extent *ordered;
@@ -751,8 +752,9 @@ void btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len)
/* start IO across the range first to instantiate any delalloc
* extents
*/
- filemap_fdatawrite_range(inode->i_mapping, start, orig_end);
-
+ ret = filemap_fdatawrite_range(inode->i_mapping, start, orig_end);
+ if (ret)
+ return ret;
/*
* So with compression we will find and lock a dirty page and clear the
* first one as dirty, setup an async extent, and immediately return
@@ -768,10 +770,15 @@ void btr...
2012 Jun 26
6
[PATCH] Add a page cache-backed balloon device driver.
...+ inode_init_once(&the_inode.inode);
+ return &the_inode.inode;
+}
+
+/* Noop implementation of destroy_inode. */
+static void balloon_destroy_inode(struct inode *inode)
+{
+}
+
+static int balloon_sync_fs(struct super_block *sb, int wait)
+{
+ return filemap_write_and_wait(the_inode.inode.i_mapping);
+}
+
+static const struct super_operations balloonfs_ops = {
+ .alloc_inode = balloon_alloc_inode,
+ .destroy_inode = balloon_destroy_inode,
+ .sync_fs = balloon_sync_fs,
+};
+
+static const struct dentry_operations balloonfs_dentry_operations = {
+};
+
+/*
+ * balloonfs_writepage is called when...
2012 Jun 26
6
[PATCH] Add a page cache-backed balloon device driver.
...+ inode_init_once(&the_inode.inode);
+ return &the_inode.inode;
+}
+
+/* Noop implementation of destroy_inode. */
+static void balloon_destroy_inode(struct inode *inode)
+{
+}
+
+static int balloon_sync_fs(struct super_block *sb, int wait)
+{
+ return filemap_write_and_wait(the_inode.inode.i_mapping);
+}
+
+static const struct super_operations balloonfs_ops = {
+ .alloc_inode = balloon_alloc_inode,
+ .destroy_inode = balloon_destroy_inode,
+ .sync_fs = balloon_sync_fs,
+};
+
+static const struct dentry_operations balloonfs_dentry_operations = {
+};
+
+/*
+ * balloonfs_writepage is called when...
2012 Jun 11
0
[PATCH] Btrfs: call filemap_fdatawrite twice for compression V2
...e138cd..643335a 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -627,7 +627,27 @@ void btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len)
/* start IO across the range first to instantiate any delalloc
* extents
*/
- filemap_write_and_wait_range(inode->i_mapping, start, orig_end);
+ filemap_fdatawrite_range(inode->i_mapping, start, orig_end);
+
+ /*
+ * So with compression we will find and lock a dirty page and clear the
+ * first one as dirty, setup an async extent, and immediately return
+ * with the entire range locked but with nobody actually mar...
2012 Jul 25
0
No subject
...f destroy_inode. */
> >> +static void balloon_destroy_inode(struct inode *inode)
> >> +{
> >> +}
> >> +
> >> +static int balloon_sync_fs(struct super_block *sb, int wait)
> >> +{
> >> + return filemap_write_and_wait(the_inode.inode.i_mapping);
> >> +}
> >> +
> >> +static const struct super_operations balloonfs_ops = {
> >> + .alloc_inode = balloon_alloc_inode,
> >> + .destroy_inode = balloon_destroy_inode,
> >> + .sync_fs = balloon_sync_fs,
> >> +};
&...
2012 Jul 25
0
No subject
...f destroy_inode. */
> >> +static void balloon_destroy_inode(struct inode *inode)
> >> +{
> >> +}
> >> +
> >> +static int balloon_sync_fs(struct super_block *sb, int wait)
> >> +{
> >> + return filemap_write_and_wait(the_inode.inode.i_mapping);
> >> +}
> >> +
> >> +static const struct super_operations balloonfs_ops = {
> >> + .alloc_inode = balloon_alloc_inode,
> >> + .destroy_inode = balloon_destroy_inode,
> >> + .sync_fs = balloon_sync_fs,
> >> +};
&...
2013 Oct 28
0
[PATCH] Btrfs: make sure the delalloc workers actually flush compressed writes
...struct btrfs_delalloc_work *delalloc_work;
+ struct inode *inode;
delalloc_work = container_of(work, struct btrfs_delalloc_work,
work);
- if (delalloc_work->wait)
- btrfs_wait_ordered_range(delalloc_work->inode, 0, (u64)-1);
- else
- filemap_flush(delalloc_work->inode->i_mapping);
+ inode = delalloc_work->inode;
+ if (delalloc_work->wait) {
+ btrfs_wait_ordered_range(inode, 0, (u64)-1);
+ } else {
+ filemap_flush(inode->i_mapping);
+ if (test_bit(BTRFS_INODE_HAS_ASYNC_EXTENT,
+ &BTRFS_I(inode)->runtime_flags))
+ filemap_flush(inode->i_mapping...
2013 Oct 09
2
[PATCH] Btrfs: add tests for find_lock_delalloc_range
...ct page *pages[16];
+ unsigned long index = start >> PAGE_CACHE_SHIFT;
+ unsigned long end_index = end >> PAGE_CACHE_SHIFT;
+ unsigned long nr_pages = end_index - index + 1;
+ int i;
+ int count = 0;
+ int loops = 0;
+
+ while (nr_pages > 0) {
+ ret = find_get_pages_contig(inode->i_mapping, index,
+ min_t(unsigned long, nr_pages,
+ ARRAY_SIZE(pages)), pages);
+ for (i = 0; i < ret; i++) {
+ if (flags & PROCESS_TEST_LOCKED &&
+ !PageLocked(pages[i]))
+ count++;
+ if (flags & PROCESS_UNLOCK && PageLocked(pages[i]))
+ unlock_pa...
2020 Mar 12
0
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
...v_info.migratepage = virtballoon_migratepage;
> + vb->vb_dev_info.inode = alloc_anon_inode(balloon_mnt->mnt_sb);
> + if (IS_ERR(vb->vb_dev_info.inode)) {
> + err = PTR_ERR(vb->vb_dev_info.inode);
> + goto out_kern_unmount;
> + }
> + vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops;
> }
> - vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops;
> #endif
> if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT)) {
> /*
I doubt this fixed all code. Anything using VIRTIO_BALLOON_PAGES_PER_PAGE
would be s...
2009 Feb 05
1
[PATCH 1/3] jbd2: Fix possible NULL pointer dereference in jbd2_journal_begin_ordered_truncate()
...ransaction adding the inode to orphan list */
spin_lock(&journal->j_state_lock);
commit_trans = journal->j_committing_transaction;
spin_unlock(&journal->j_state_lock);
- if (inode->i_transaction == commit_trans) {
- ret = filemap_fdatawrite_range(inode->i_vfs_inode->i_mapping,
+ spin_lock(&journal->j_list_lock);
+ inode_trans = jinode->i_transaction;
+ spin_unlock(&journal->j_list_lock);
+ if (inode_trans == commit_trans) {
+ ret = filemap_fdatawrite_range(jinode->i_vfs_inode->i_mapping,
new_size, LLONG_MAX);
if (ret)
jbd2_journal_abor...
2015 Jun 26
0
[RFCv2 3/5] mm/balloon: apply driver page migratable into balloon
...c
@@ -505,6 +505,9 @@ static int virtballoon_probe(struct virtio_device *vdev)
balloon_devinfo_init(&vb->vb_dev_info);
#ifdef CONFIG_BALLOON_COMPACTION
vb->vb_dev_info.migratepage = virtballoon_migratepage;
+ vb->vb_dev_info.inode = anon_inode_new();
+ vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops;
+ mapping_set_migratable(vb->vb_dev_info.inode->i_mapping);
#endif
err = init_vqs(vb);
diff --git a/fs/proc/page.c b/fs/proc/page.c
index 7eee2d8..2dc3673 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -146,6 +146,9 @@ u64 stable_page_flags(struct page...
2009 Feb 24
1
[STABLE, 2.6.27.y] jbd2: Avoid possible NULL dereference in jbd2_journal_begin_ordered_truncate()
...ransaction adding the inode to orphan list */
spin_lock(&journal->j_state_lock);
commit_trans = journal->j_committing_transaction;
spin_unlock(&journal->j_state_lock);
- if (inode->i_transaction == commit_trans) {
- ret = filemap_fdatawrite_range(inode->i_vfs_inode->i_mapping,
+ spin_lock(&journal->j_list_lock);
+ inode_trans = jinode->i_transaction;
+ spin_unlock(&journal->j_list_lock);
+ if (inode_trans == commit_trans) {
+ ret = filemap_fdatawrite_range(jinode->i_vfs_inode->i_mapping,
new_size, LLONG_MAX);
if (ret)
jbd2_journal_abor...
2020 Mar 12
2
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
...v_info.migratepage = virtballoon_migratepage;
> + vb->vb_dev_info.inode = alloc_anon_inode(balloon_mnt->mnt_sb);
> + if (IS_ERR(vb->vb_dev_info.inode)) {
> + err = PTR_ERR(vb->vb_dev_info.inode);
> + goto out_kern_unmount;
> + }
> + vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops;
> }
> - vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops;
> #endif
> if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT)) {
> /*
> @@ -1058,6 +1080,7 @@ static unsigned int features[] = {
> VIRTIO_BALLOON_F_...
2020 Mar 12
2
[RFC for Linux] virtio_balloon: Add VIRTIO_BALLOON_F_THP_ORDER to handle THP spilt issue
...v_info.migratepage = virtballoon_migratepage;
> + vb->vb_dev_info.inode = alloc_anon_inode(balloon_mnt->mnt_sb);
> + if (IS_ERR(vb->vb_dev_info.inode)) {
> + err = PTR_ERR(vb->vb_dev_info.inode);
> + goto out_kern_unmount;
> + }
> + vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops;
> }
> - vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops;
> #endif
> if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT)) {
> /*
> @@ -1058,6 +1080,7 @@ static unsigned int features[] = {
> VIRTIO_BALLOON_F_...
2018 Jul 23
1
[PATCH v36 2/5] virtio_balloon: replace oom notifier with shrinker
...gt; + */
> > > + if (!virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM))
> > > + return 0;
> > So why not skip notifier registration when deflate on oom
> > is clear?
>
> Sounds good, thanks.
>
>
> > vb->vb_dev_info.inode->i_mapping->a_ops = &balloon_aops;
> > #endif
> > + err = virtio_balloon_register_shrinker(vb);
> > + if (err)
> > + goto out_del_vqs;
> > So we can get scans before device is ready. Leak will fail
> > then. Why not register later after device is ready?
>
>...