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-rw-r--r--fs/btrfs/export.c6
-rw-r--r--fs/btrfs/file.c32
-rw-r--r--fs/btrfs/inode.c59
-rw-r--r--fs/btrfs/ioctl.c22
-rw-r--r--fs/btrfs/super.c8
-rw-r--r--fs/btrfs/tree-log.c14
-rw-r--r--fs/btrfs/xattr.c16
7 files changed, 74 insertions, 83 deletions
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 37d1645..8d05220 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -152,7 +152,7 @@ static struct dentry *btrfs_fh_to_dentry(struct super_block *sb, struct fid *fh,
static struct dentry *btrfs_get_parent(struct dentry *child)
{
- struct inode *dir = child->d_inode;
+ struct inode *dir = d_inode(child);
struct btrfs_root *root = BTRFS_I(dir)->root;
struct btrfs_path *path;
struct extent_buffer *leaf;
@@ -220,8 +220,8 @@ fail:
static int btrfs_get_name(struct dentry *parent, char *name,
struct dentry *child)
{
- struct inode *inode = child->d_inode;
- struct inode *dir = parent->d_inode;
+ struct inode *inode = d_inode(child);
+ struct inode *dir = d_inode(parent);
struct btrfs_path *path;
struct btrfs_root *root = BTRFS_I(dir)->root;
struct btrfs_inode_ref *iref;
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 23b6e03..b072e17 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -24,7 +24,6 @@
#include <linux/string.h>
#include <linux/backing-dev.h>
#include <linux/mpage.h>
-#include <linux/aio.h>
#include <linux/falloc.h>
#include <linux/swap.h>
#include <linux/writeback.h>
@@ -32,6 +31,7 @@
#include <linux/compat.h>
#include <linux/slab.h>
#include <linux/btrfs.h>
+#include <linux/uio.h>
#include "ctree.h"
#include "disk-io.h"
#include "transaction.h"
@@ -1735,27 +1735,19 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
u64 start_pos;
u64 end_pos;
ssize_t num_written = 0;
- ssize_t err = 0;
- size_t count = iov_iter_count(from);
bool sync = (file->f_flags & O_DSYNC) || IS_SYNC(file->f_mapping->host);
- loff_t pos = iocb->ki_pos;
+ ssize_t err;
+ loff_t pos;
+ size_t count;
mutex_lock(&inode->i_mutex);
-
- current->backing_dev_info = inode_to_bdi(inode);
- err = generic_write_checks(file, &pos, &count, S_ISBLK(inode->i_mode));
- if (err) {
+ err = generic_write_checks(iocb, from);
+ if (err <= 0) {
mutex_unlock(&inode->i_mutex);
- goto out;
- }
-
- if (count == 0) {
- mutex_unlock(&inode->i_mutex);
- goto out;
+ return err;
}
- iov_iter_truncate(from, count);
-
+ current->backing_dev_info = inode_to_bdi(inode);
err = file_remove_suid(file);
if (err) {
mutex_unlock(&inode->i_mutex);
@@ -1782,6 +1774,8 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
*/
update_time_for_write(inode);
+ pos = iocb->ki_pos;
+ count = iov_iter_count(from);
start_pos = round_down(pos, root->sectorsize);
if (start_pos > i_size_read(inode)) {
/* Expand hole size to cover write data, preventing empty gap */
@@ -1796,7 +1790,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
if (sync)
atomic_inc(&BTRFS_I(inode)->sync_writers);
- if (file->f_flags & O_DIRECT) {
+ if (iocb->ki_flags & IOCB_DIRECT) {
num_written = __btrfs_direct_write(iocb, from, pos);
} else {
num_written = __btrfs_buffered_write(file, from, pos);
@@ -1868,7 +1862,7 @@ static int start_ordered_ops(struct inode *inode, loff_t start, loff_t end)
int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
{
struct dentry *dentry = file->f_path.dentry;
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_trans_handle *trans;
struct btrfs_log_ctx ctx;
@@ -2807,8 +2801,6 @@ out:
const struct file_operations btrfs_file_operations = {
.llseek = btrfs_file_llseek,
- .read = new_sync_read,
- .write = new_sync_write,
.read_iter = generic_file_read_iter,
.splice_read = generic_file_splice_read,
.write_iter = btrfs_file_write_iter,
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0020b56..8bb01367 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -32,7 +32,6 @@
#include <linux/writeback.h>
#include <linux/statfs.h>
#include <linux/compat.h>
-#include <linux/aio.h>
#include <linux/bit_spinlock.h>
#include <linux/xattr.h>
#include <linux/posix_acl.h>
@@ -4024,16 +4023,16 @@ static int btrfs_unlink(struct inode *dir, struct dentry *dentry)
{
struct btrfs_root *root = BTRFS_I(dir)->root;
struct btrfs_trans_handle *trans;
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
int ret;
trans = __unlink_start_trans(dir);
if (IS_ERR(trans))
return PTR_ERR(trans);
- btrfs_record_unlink_dir(trans, dir, dentry->d_inode, 0);
+ btrfs_record_unlink_dir(trans, dir, d_inode(dentry), 0);
- ret = btrfs_unlink_inode(trans, root, dir, dentry->d_inode,
+ ret = btrfs_unlink_inode(trans, root, dir, d_inode(dentry),
dentry->d_name.name, dentry->d_name.len);
if (ret)
goto out;
@@ -4132,7 +4131,7 @@ out:
static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
{
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
int err = 0;
struct btrfs_root *root = BTRFS_I(dir)->root;
struct btrfs_trans_handle *trans;
@@ -4159,7 +4158,7 @@ static int btrfs_rmdir(struct inode *dir, struct dentry *dentry)
goto out;
/* now the directory is empty */
- err = btrfs_unlink_inode(trans, root, dir, dentry->d_inode,
+ err = btrfs_unlink_inode(trans, root, dir, d_inode(dentry),
dentry->d_name.name, dentry->d_name.len);
if (!err)
btrfs_i_size_write(inode, 0);
@@ -4919,7 +4918,7 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr)
static int btrfs_setattr(struct dentry *dentry, struct iattr *attr)
{
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
struct btrfs_root *root = BTRFS_I(inode)->root;
int err;
@@ -5551,10 +5550,10 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
static int btrfs_dentry_delete(const struct dentry *dentry)
{
struct btrfs_root *root;
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
if (!inode && !IS_ROOT(dentry))
- inode = dentry->d_parent->d_inode;
+ inode = d_inode(dentry->d_parent);
if (inode) {
root = BTRFS_I(inode)->root;
@@ -6361,7 +6360,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
{
struct btrfs_trans_handle *trans;
struct btrfs_root *root = BTRFS_I(dir)->root;
- struct inode *inode = old_dentry->d_inode;
+ struct inode *inode = d_inode(old_dentry);
u64 index;
int err;
int drop_inode = 0;
@@ -8216,7 +8215,7 @@ free_ordered:
bio_endio(dio_bio, ret);
}
-static ssize_t check_direct_IO(struct btrfs_root *root, int rw, struct kiocb *iocb,
+static ssize_t check_direct_IO(struct btrfs_root *root, struct kiocb *iocb,
const struct iov_iter *iter, loff_t offset)
{
int seg;
@@ -8231,7 +8230,7 @@ static ssize_t check_direct_IO(struct btrfs_root *root, int rw, struct kiocb *io
goto out;
/* If this is a write we don't need to check anymore */
- if (rw & WRITE)
+ if (iov_iter_rw(iter) == WRITE)
return 0;
/*
* Check to make sure we don't have duplicate iov_base's in this
@@ -8249,8 +8248,8 @@ out:
return retval;
}
-static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
- struct iov_iter *iter, loff_t offset)
+static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
+ loff_t offset)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
@@ -8261,10 +8260,10 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
bool relock = false;
ssize_t ret;
- if (check_direct_IO(BTRFS_I(inode)->root, rw, iocb, iter, offset))
+ if (check_direct_IO(BTRFS_I(inode)->root, iocb, iter, offset))
return 0;
- atomic_inc(&inode->i_dio_count);
+ inode_dio_begin(inode);
smp_mb__after_atomic();
/*
@@ -8279,7 +8278,7 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
filemap_fdatawrite_range(inode->i_mapping, offset,
offset + count - 1);
- if (rw & WRITE) {
+ if (iov_iter_rw(iter) == WRITE) {
/*
* If the write DIO is beyond the EOF, we need update
* the isize, but it is protected by i_mutex. So we can
@@ -8304,16 +8303,16 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
current->journal_info = &outstanding_extents;
} else if (test_bit(BTRFS_INODE_READDIO_NEED_LOCK,
&BTRFS_I(inode)->runtime_flags)) {
- inode_dio_done(inode);
+ inode_dio_end(inode);
flags = DIO_LOCKING | DIO_SKIP_HOLES;
wakeup = false;
}
- ret = __blockdev_direct_IO(rw, iocb, inode,
- BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev,
- iter, offset, btrfs_get_blocks_direct, NULL,
- btrfs_submit_direct, flags);
- if (rw & WRITE) {
+ ret = __blockdev_direct_IO(iocb, inode,
+ BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev,
+ iter, offset, btrfs_get_blocks_direct, NULL,
+ btrfs_submit_direct, flags);
+ if (iov_iter_rw(iter) == WRITE) {
current->journal_info = NULL;
if (ret < 0 && ret != -EIOCBQUEUED)
btrfs_delalloc_release_space(inode, count);
@@ -8323,7 +8322,7 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
}
out:
if (wakeup)
- inode_dio_done(inode);
+ inode_dio_end(inode);
if (relock)
mutex_lock(&inode->i_mutex);
@@ -9010,7 +9009,7 @@ static int btrfs_getattr(struct vfsmount *mnt,
struct dentry *dentry, struct kstat *stat)
{
u64 delalloc_bytes;
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
u32 blocksize = inode->i_sb->s_blocksize;
generic_fillattr(inode, stat);
@@ -9031,8 +9030,8 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct btrfs_trans_handle *trans;
struct btrfs_root *root = BTRFS_I(old_dir)->root;
struct btrfs_root *dest = BTRFS_I(new_dir)->root;
- struct inode *new_inode = new_dentry->d_inode;
- struct inode *old_inode = old_dentry->d_inode;
+ struct inode *new_inode = d_inode(new_dentry);
+ struct inode *old_inode = d_inode(old_dentry);
struct timespec ctime = CURRENT_TIME;
u64 index = 0;
u64 root_objectid;
@@ -9144,7 +9143,7 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
old_dentry->d_name.len);
} else {
ret = __btrfs_unlink_inode(trans, root, old_dir,
- old_dentry->d_inode,
+ d_inode(old_dentry),
old_dentry->d_name.name,
old_dentry->d_name.len);
if (!ret)
@@ -9168,12 +9167,12 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
BUG_ON(new_inode->i_nlink == 0);
} else {
ret = btrfs_unlink_inode(trans, dest, new_dir,
- new_dentry->d_inode,
+ d_inode(new_dentry),
new_dentry->d_name.name,
new_dentry->d_name.len);
}
if (!ret && new_inode->i_nlink == 0)
- ret = btrfs_orphan_add(trans, new_dentry->d_inode);
+ ret = btrfs_orphan_add(trans, d_inode(new_dentry));
if (ret) {
btrfs_abort_transaction(trans, root, ret);
goto out_fail;
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index cdcd98c..1c22c65 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -724,7 +724,7 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
if (ret)
goto fail;
- inode = btrfs_lookup_dentry(dentry->d_parent->d_inode, dentry);
+ inode = btrfs_lookup_dentry(d_inode(dentry->d_parent), dentry);
if (IS_ERR(inode)) {
ret = PTR_ERR(inode);
goto fail;
@@ -768,10 +768,10 @@ static int btrfs_may_delete(struct inode *dir, struct dentry *victim, int isdir)
{
int error;
- if (!victim->d_inode)
+ if (d_really_is_negative(victim))
return -ENOENT;
- BUG_ON(victim->d_parent->d_inode != dir);
+ BUG_ON(d_inode(victim->d_parent) != dir);
audit_inode_child(dir, victim, AUDIT_TYPE_CHILD_DELETE);
error = inode_permission(dir, MAY_WRITE | MAY_EXEC);
@@ -779,8 +779,8 @@ static int btrfs_may_delete(struct inode *dir, struct dentry *victim, int isdir)
return error;
if (IS_APPEND(dir))
return -EPERM;
- if (check_sticky(dir, victim->d_inode) || IS_APPEND(victim->d_inode) ||
- IS_IMMUTABLE(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
+ if (check_sticky(dir, d_inode(victim)) || IS_APPEND(d_inode(victim)) ||
+ IS_IMMUTABLE(d_inode(victim)) || IS_SWAPFILE(d_inode(victim)))
return -EPERM;
if (isdir) {
if (!d_is_dir(victim))
@@ -799,7 +799,7 @@ static int btrfs_may_delete(struct inode *dir, struct dentry *victim, int isdir)
/* copy of may_create in fs/namei.c() */
static inline int btrfs_may_create(struct inode *dir, struct dentry *child)
{
- if (child->d_inode)
+ if (d_really_is_positive(child))
return -EEXIST;
if (IS_DEADDIR(dir))
return -ENOENT;
@@ -817,7 +817,7 @@ static noinline int btrfs_mksubvol(struct path *parent,
u64 *async_transid, bool readonly,
struct btrfs_qgroup_inherit *inherit)
{
- struct inode *dir = parent->dentry->d_inode;
+ struct inode *dir = d_inode(parent->dentry);
struct dentry *dentry;
int error;
@@ -831,7 +831,7 @@ static noinline int btrfs_mksubvol(struct path *parent,
goto out_unlock;
error = -EEXIST;
- if (dentry->d_inode)
+ if (d_really_is_positive(dentry))
goto out_dput;
error = btrfs_may_create(dir, dentry);
@@ -2301,7 +2301,7 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file,
{
struct dentry *parent = file->f_path.dentry;
struct dentry *dentry;
- struct inode *dir = parent->d_inode;
+ struct inode *dir = d_inode(parent);
struct inode *inode;
struct btrfs_root *root = BTRFS_I(dir)->root;
struct btrfs_root *dest = NULL;
@@ -2340,12 +2340,12 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file,
goto out_unlock_dir;
}
- if (!dentry->d_inode) {
+ if (d_really_is_negative(dentry)) {
err = -ENOENT;
goto out_dput;
}
- inode = dentry->d_inode;
+ inode = d_inode(dentry);
dest = BTRFS_I(inode)->root;
if (!capable(CAP_SYS_ADMIN)) {
/*
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index f2c9f9d..9e66f5e 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -925,7 +925,7 @@ setup_root:
* a reference to the dentry. We will have already gotten a reference
* to the inode in btrfs_fill_super so we're good to go.
*/
- if (!new && sb->s_root->d_inode == inode) {
+ if (!new && d_inode(sb->s_root) == inode) {
iput(inode);
return dget(sb->s_root);
}
@@ -1230,7 +1230,7 @@ static struct dentry *mount_subvol(const char *subvol_name, int flags,
root = mount_subtree(mnt, subvol_name);
- if (!IS_ERR(root) && !is_subvolume_inode(root->d_inode)) {
+ if (!IS_ERR(root) && !is_subvolume_inode(d_inode(root))) {
struct super_block *s = root->d_sb;
dput(root);
root = ERR_PTR(-EINVAL);
@@ -1895,8 +1895,8 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
buf->f_fsid.val[0] = be32_to_cpu(fsid[0]) ^ be32_to_cpu(fsid[2]);
buf->f_fsid.val[1] = be32_to_cpu(fsid[1]) ^ be32_to_cpu(fsid[3]);
/* Mask in the root object ID too, to disambiguate subvols */
- buf->f_fsid.val[0] ^= BTRFS_I(dentry->d_inode)->root->objectid >> 32;
- buf->f_fsid.val[1] ^= BTRFS_I(dentry->d_inode)->root->objectid;
+ buf->f_fsid.val[0] ^= BTRFS_I(d_inode(dentry))->root->objectid >> 32;
+ buf->f_fsid.val[1] ^= BTRFS_I(d_inode(dentry))->root->objectid;
return 0;
}
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index a089b59..d049683 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4474,9 +4474,9 @@ static noinline int check_parent_dirs_for_sync(struct btrfs_trans_handle *trans,
goto out;
if (!S_ISDIR(inode->i_mode)) {
- if (!parent || !parent->d_inode || sb != parent->d_inode->i_sb)
+ if (!parent || d_really_is_negative(parent) || sb != d_inode(parent)->i_sb)
goto out;
- inode = parent->d_inode;
+ inode = d_inode(parent);
}
while (1) {
@@ -4502,7 +4502,7 @@ static noinline int check_parent_dirs_for_sync(struct btrfs_trans_handle *trans,
break;
}
- if (!parent || !parent->d_inode || sb != parent->d_inode->i_sb)
+ if (!parent || d_really_is_negative(parent) || sb != d_inode(parent)->i_sb)
break;
if (IS_ROOT(parent))
@@ -4511,7 +4511,7 @@ static noinline int check_parent_dirs_for_sync(struct btrfs_trans_handle *trans,
parent = dget_parent(parent);
dput(old_parent);
old_parent = parent;
- inode = parent->d_inode;
+ inode = d_inode(parent);
}
dput(old_parent);
@@ -4777,10 +4777,10 @@ static int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
log_dentries = true;
while (1) {
- if (!parent || !parent->d_inode || sb != parent->d_inode->i_sb)
+ if (!parent || d_really_is_negative(parent) || sb != d_inode(parent)->i_sb)
break;
- inode = parent->d_inode;
+ inode = d_inode(parent);
if (root != BTRFS_I(inode)->root)
break;
@@ -4845,7 +4845,7 @@ int btrfs_log_dentry_safe(struct btrfs_trans_handle *trans,
struct dentry *parent = dget_parent(dentry);
int ret;
- ret = btrfs_log_inode_parent(trans, root, dentry->d_inode, parent,
+ ret = btrfs_log_inode_parent(trans, root, d_inode(dentry), parent,
start, end, 0, ctx);
dput(parent);
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 45ea704..6f518c9 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -261,7 +261,7 @@ out:
ssize_t btrfs_listxattr(struct dentry *dentry, char *buffer, size_t size)
{
struct btrfs_key key, found_key;
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
struct btrfs_root *root = BTRFS_I(inode)->root;
struct btrfs_path *path;
struct extent_buffer *leaf;
@@ -411,13 +411,13 @@ ssize_t btrfs_getxattr(struct dentry *dentry, const char *name,
ret = btrfs_is_valid_xattr(name);
if (ret)
return ret;
- return __btrfs_getxattr(dentry->d_inode, name, buffer, size);
+ return __btrfs_getxattr(d_inode(dentry), name, buffer, size);
}
int btrfs_setxattr(struct dentry *dentry, const char *name, const void *value,
size_t size, int flags)
{
- struct btrfs_root *root = BTRFS_I(dentry->d_inode)->root;
+ struct btrfs_root *root = BTRFS_I(d_inode(dentry))->root;
int ret;
/*
@@ -440,19 +440,19 @@ int btrfs_setxattr(struct dentry *dentry, const char *name, const void *value,
return ret;
if (!strncmp(name, XATTR_BTRFS_PREFIX, XATTR_BTRFS_PREFIX_LEN))
- return btrfs_set_prop(dentry->d_inode, name,
+ return btrfs_set_prop(d_inode(dentry), name,
value, size, flags);
if (size == 0)
value = ""; /* empty EA, do not remove */
- return __btrfs_setxattr(NULL, dentry->d_inode, name, value, size,
+ return __btrfs_setxattr(NULL, d_inode(dentry), name, value, size,
flags);
}
int btrfs_removexattr(struct dentry *dentry, const char *name)
{
- struct btrfs_root *root = BTRFS_I(dentry->d_inode)->root;
+ struct btrfs_root *root = BTRFS_I(d_inode(dentry))->root;
int ret;
/*
@@ -475,10 +475,10 @@ int btrfs_removexattr(struct dentry *dentry, const char *name)
return ret;
if (!strncmp(name, XATTR_BTRFS_PREFIX, XATTR_BTRFS_PREFIX_LEN))
- return btrfs_set_prop(dentry->d_inode, name,
+ return btrfs_set_prop(d_inode(dentry), name,
NULL, 0, XATTR_REPLACE);
- return __btrfs_setxattr(NULL, dentry->d_inode, name, NULL, 0,
+ return __btrfs_setxattr(NULL, d_inode(dentry), name, NULL, 0,
XATTR_REPLACE);
}
generated by cgit v0.10.2 at 2024-08-05 00:01:41 (GMT)