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-rw-r--r--fs/btrfs/disk-io.c9
-rw-r--r--fs/btrfs/disk-io.h13
-rw-r--r--fs/btrfs/extent_io.c12
-rw-r--r--fs/btrfs/inode.c2
-rw-r--r--fs/btrfs/relocation.c2
-rw-r--r--fs/btrfs/root-tree.c8
-rw-r--r--fs/buffer.c14
-rw-r--r--fs/ext3/namei.c5
-rw-r--r--fs/ext4/inode.c2
-rw-r--r--fs/ext4/namei.c5
-rw-r--r--fs/ext4/xattr.c2
-rw-r--r--fs/proc/inode.c10
-rw-r--r--fs/proc/task_mmu.c4
-rw-r--r--fs/statfs.c2
14 files changed, 55 insertions, 35 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 4ae17ed..62176ad 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1561,8 +1561,9 @@ int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info,
return ret;
}
-struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info,
- struct btrfs_key *location)
+struct btrfs_root *btrfs_get_fs_root(struct btrfs_fs_info *fs_info,
+ struct btrfs_key *location,
+ bool check_ref)
{
struct btrfs_root *root;
int ret;
@@ -1586,7 +1587,7 @@ struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info,
again:
root = btrfs_lookup_fs_root(fs_info, location->objectid);
if (root) {
- if (btrfs_root_refs(&root->root_item) == 0)
+ if (check_ref && btrfs_root_refs(&root->root_item) == 0)
return ERR_PTR(-ENOENT);
return root;
}
@@ -1595,7 +1596,7 @@ again:
if (IS_ERR(root))
return root;
- if (btrfs_root_refs(&root->root_item) == 0) {
+ if (check_ref && btrfs_root_refs(&root->root_item) == 0) {
ret = -ENOENT;
goto fail;
}
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index b71acd6e..5ce2a7d 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -68,8 +68,17 @@ struct btrfs_root *btrfs_read_fs_root(struct btrfs_root *tree_root,
int btrfs_init_fs_root(struct btrfs_root *root);
int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info,
struct btrfs_root *root);
-struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info,
- struct btrfs_key *location);
+
+struct btrfs_root *btrfs_get_fs_root(struct btrfs_fs_info *fs_info,
+ struct btrfs_key *key,
+ bool check_ref);
+static inline struct btrfs_root *
+btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info,
+ struct btrfs_key *location)
+{
+ return btrfs_get_fs_root(fs_info, location, true);
+}
+
int btrfs_cleanup_fs_roots(struct btrfs_fs_info *fs_info);
void btrfs_btree_balance_dirty(struct btrfs_root *root);
void btrfs_btree_balance_dirty_nodelay(struct btrfs_root *root);
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 22bda32..51731b7 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1490,10 +1490,8 @@ static noinline u64 find_delalloc_range(struct extent_io_tree *tree,
cur_start = state->end + 1;
node = rb_next(node);
total_bytes += state->end - state->start + 1;
- if (total_bytes >= max_bytes) {
- *end = *start + max_bytes - 1;
+ if (total_bytes >= max_bytes)
break;
- }
if (!node)
break;
}
@@ -1635,10 +1633,9 @@ again:
/*
* make sure to limit the number of pages we try to lock down
- * if we're looping.
*/
- if (delalloc_end + 1 - delalloc_start > max_bytes && loops)
- delalloc_end = delalloc_start + PAGE_CACHE_SIZE - 1;
+ if (delalloc_end + 1 - delalloc_start > max_bytes)
+ delalloc_end = delalloc_start + max_bytes - 1;
/* step two, lock all the pages after the page that has start */
ret = lock_delalloc_pages(inode, locked_page,
@@ -1649,8 +1646,7 @@ again:
*/
free_extent_state(cached_state);
if (!loops) {
- unsigned long offset = (*start) & (PAGE_CACHE_SIZE - 1);
- max_bytes = PAGE_CACHE_SIZE - offset;
+ max_bytes = PAGE_CACHE_SIZE;
loops = 1;
goto again;
} else {
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 22ebc13..b0ef7b0 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7986,7 +7986,7 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
/* check for collisions, even if the name isn't there */
- ret = btrfs_check_dir_item_collision(root, new_dir->i_ino,
+ ret = btrfs_check_dir_item_collision(dest, new_dir->i_ino,
new_dentry->d_name.name,
new_dentry->d_name.len);
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index a5a2632..4a35572 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -588,7 +588,7 @@ static struct btrfs_root *read_fs_root(struct btrfs_fs_info *fs_info,
else
key.offset = (u64)-1;
- return btrfs_read_fs_root_no_name(fs_info, &key);
+ return btrfs_get_fs_root(fs_info, &key, false);
}
#ifdef BTRFS_COMPAT_EXTENT_TREE_V0
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 0b1f4ef..ec71ea4 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -299,11 +299,6 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
continue;
}
- if (btrfs_root_refs(&root->root_item) == 0) {
- btrfs_add_dead_root(root);
- continue;
- }
-
err = btrfs_init_fs_root(root);
if (err) {
btrfs_free_fs_root(root);
@@ -318,6 +313,9 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
btrfs_free_fs_root(root);
break;
}
+
+ if (btrfs_root_refs(&root->root_item) == 0)
+ btrfs_add_dead_root(root);
}
btrfs_free_path(path);
diff --git a/fs/buffer.c b/fs/buffer.c
index 4d74335..6024877 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1005,9 +1005,19 @@ grow_dev_page(struct block_device *bdev, sector_t block,
struct buffer_head *bh;
sector_t end_block;
int ret = 0; /* Will call free_more_memory() */
+ gfp_t gfp_mask;
- page = find_or_create_page(inode->i_mapping, index,
- (mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS)|__GFP_MOVABLE);
+ gfp_mask = mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS;
+ gfp_mask |= __GFP_MOVABLE;
+ /*
+ * XXX: __getblk_slow() can not really deal with failure and
+ * will endlessly loop on improvised global reclaim. Prefer
+ * looping in the allocator rather than here, at least that
+ * code knows what it's doing.
+ */
+ gfp_mask |= __GFP_NOFAIL;
+
+ page = find_or_create_page(inode->i_mapping, index, gfp_mask);
if (!page)
return ret;
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 1194b1f..f8cde46 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -1783,7 +1783,7 @@ retry:
d_tmpfile(dentry, inode);
err = ext3_orphan_add(handle, inode);
if (err)
- goto err_drop_inode;
+ goto err_unlock_inode;
mark_inode_dirty(inode);
unlock_new_inode(inode);
}
@@ -1791,10 +1791,9 @@ retry:
if (err == -ENOSPC && ext3_should_retry_alloc(dir->i_sb, &retries))
goto retry;
return err;
-err_drop_inode:
+err_unlock_inode:
ext3_journal_stop(handle);
unlock_new_inode(inode);
- iput(inode);
return err;
}
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 0d424d7..e274e9c 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2563,7 +2563,7 @@ retry:
break;
}
blk_finish_plug(&plug);
- if (!ret && !cycled) {
+ if (!ret && !cycled && wbc->nr_to_write > 0) {
cycled = 1;
mpd.last_page = writeback_index - 1;
mpd.first_page = 0;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 1bec5a5..5a0408d 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2319,7 +2319,7 @@ retry:
d_tmpfile(dentry, inode);
err = ext4_orphan_add(handle, inode);
if (err)
- goto err_drop_inode;
+ goto err_unlock_inode;
mark_inode_dirty(inode);
unlock_new_inode(inode);
}
@@ -2328,10 +2328,9 @@ retry:
if (err == -ENOSPC && ext4_should_retry_alloc(dir->i_sb, &retries))
goto retry;
return err;
-err_drop_inode:
+err_unlock_inode:
ext4_journal_stop(handle);
unlock_new_inode(inode);
- iput(inode);
return err;
}
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index c081e34..03e9beb 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1350,6 +1350,8 @@ retry:
s_min_extra_isize) {
tried_min_extra_isize++;
new_extra_isize = s_min_extra_isize;
+ kfree(is); is = NULL;
+ kfree(bs); bs = NULL;
goto retry;
}
error = -1;
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 9f8ef9b..8eaa1ba 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -288,10 +288,14 @@ static int proc_reg_mmap(struct file *file, struct vm_area_struct *vma)
static unsigned long proc_reg_get_unmapped_area(struct file *file, unsigned long orig_addr, unsigned long len, unsigned long pgoff, unsigned long flags)
{
struct proc_dir_entry *pde = PDE(file_inode(file));
- int rv = -EIO;
- unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
+ unsigned long rv = -EIO;
+ unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long) = NULL;
if (use_pde(pde)) {
- get_unmapped_area = pde->proc_fops->get_unmapped_area;
+#ifdef CONFIG_MMU
+ get_unmapped_area = current->mm->get_unmapped_area;
+#endif
+ if (pde->proc_fops->get_unmapped_area)
+ get_unmapped_area = pde->proc_fops->get_unmapped_area;
if (get_unmapped_area)
rv = get_unmapped_area(file, orig_addr, len, pgoff, flags);
unuse_pde(pde);
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 7366e9d..390bdab 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -941,6 +941,8 @@ static void pte_to_pagemap_entry(pagemap_entry_t *pme, struct pagemapread *pm,
frame = pte_pfn(pte);
flags = PM_PRESENT;
page = vm_normal_page(vma, addr, pte);
+ if (pte_soft_dirty(pte))
+ flags2 |= __PM_SOFT_DIRTY;
} else if (is_swap_pte(pte)) {
swp_entry_t entry;
if (pte_swp_soft_dirty(pte))
@@ -960,7 +962,7 @@ static void pte_to_pagemap_entry(pagemap_entry_t *pme, struct pagemapread *pm,
if (page && !PageAnon(page))
flags |= PM_FILE;
- if ((vma->vm_flags & VM_SOFTDIRTY) || pte_soft_dirty(pte))
+ if ((vma->vm_flags & VM_SOFTDIRTY))
flags2 |= __PM_SOFT_DIRTY;
*pme = make_pme(PM_PFRAME(frame) | PM_STATUS2(pm->v2, flags2) | flags);
diff --git a/fs/statfs.c b/fs/statfs.c
index c219e733..083dc0a 100644
--- a/fs/statfs.c
+++ b/fs/statfs.c
@@ -94,7 +94,7 @@ retry:
int fd_statfs(int fd, struct kstatfs *st)
{
- struct fd f = fdget(fd);
+ struct fd f = fdget_raw(fd);
int error = -EBADF;
if (f.file) {
error = vfs_statfs(&f.file->f_path, st);
generated by cgit v1.1 at 2024-06-05 11:16:30 +0000