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-rw-r--r--fs/btrfs/ctree.h1
-rw-r--r--fs/btrfs/disk-io.c2
-rw-r--r--fs/btrfs/export.c15
-rw-r--r--fs/btrfs/file.c2
-rw-r--r--fs/btrfs/free-space-cache.c7
-rw-r--r--fs/btrfs/inode.c55
6 files changed, 25 insertions, 57 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index db15e9e7b91c..8b73b2d4deb7 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2976,7 +2976,6 @@ int btrfs_readpage(struct file *file, struct page *page);
void btrfs_evict_inode(struct inode *inode);
int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc);
int btrfs_dirty_inode(struct inode *inode);
-int btrfs_update_time(struct file *file);
struct inode *btrfs_alloc_inode(struct super_block *sb);
void btrfs_destroy_inode(struct inode *inode);
int btrfs_drop_inode(struct inode *inode);
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index e22c5bbf0223..e1890b1d3075 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2773,7 +2773,7 @@ static int write_dev_flush(struct btrfs_device *device, int wait)
* one reference for us, and we leave it for the
* caller
*/
- device->flush_bio = NULL;;
+ device->flush_bio = NULL;
bio = bio_alloc(GFP_NOFS, 0);
if (!bio)
return -ENOMEM;
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index e887ee62b6d4..614f34a899c2 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -13,15 +13,14 @@
parent_root_objectid) / 4)
#define BTRFS_FID_SIZE_CONNECTABLE_ROOT (sizeof(struct btrfs_fid) / 4)
-static int btrfs_encode_fh(struct dentry *dentry, u32 *fh, int *max_len,
- int connectable)
+static int btrfs_encode_fh(struct inode *inode, u32 *fh, int *max_len,
+ struct inode *parent)
{
struct btrfs_fid *fid = (struct btrfs_fid *)fh;
- struct inode *inode = dentry->d_inode;
int len = *max_len;
int type;
- if (connectable && (len < BTRFS_FID_SIZE_CONNECTABLE)) {
+ if (parent && (len < BTRFS_FID_SIZE_CONNECTABLE)) {
*max_len = BTRFS_FID_SIZE_CONNECTABLE;
return 255;
} else if (len < BTRFS_FID_SIZE_NON_CONNECTABLE) {
@@ -36,19 +35,13 @@ static int btrfs_encode_fh(struct dentry *dentry, u32 *fh, int *max_len,
fid->root_objectid = BTRFS_I(inode)->root->objectid;
fid->gen = inode->i_generation;
- if (connectable && !S_ISDIR(inode->i_mode)) {
- struct inode *parent;
+ if (parent) {
u64 parent_root_id;
- spin_lock(&dentry->d_lock);
-
- parent = dentry->d_parent->d_inode;
fid->parent_objectid = BTRFS_I(parent)->location.objectid;
fid->parent_gen = parent->i_generation;
parent_root_id = BTRFS_I(parent)->root->objectid;
- spin_unlock(&dentry->d_lock);
-
if (parent_root_id != fid->root_objectid) {
fid->parent_root_objectid = parent_root_id;
len = BTRFS_FID_SIZE_CONNECTABLE_ROOT;
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 876cddd6b2f0..70dc8ca73e25 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1433,7 +1433,7 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
goto out;
}
- err = btrfs_update_time(file);
+ err = file_update_time(file);
if (err) {
mutex_unlock(&inode->i_mutex);
goto out;
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 19a0d85b451c..81296c57405a 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -77,7 +77,8 @@ static struct inode *__lookup_free_space_inode(struct btrfs_root *root,
return ERR_PTR(-ENOENT);
}
- inode->i_mapping->flags &= ~__GFP_FS;
+ mapping_set_gfp_mask(inode->i_mapping,
+ mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS);
return inode;
}
@@ -367,7 +368,7 @@ static int io_ctl_prepare_pages(struct io_ctl *io_ctl, struct inode *inode,
static void io_ctl_set_generation(struct io_ctl *io_ctl, u64 generation)
{
- u64 *val;
+ __le64 *val;
io_ctl_map_page(io_ctl, 1);
@@ -390,7 +391,7 @@ static void io_ctl_set_generation(struct io_ctl *io_ctl, u64 generation)
static int io_ctl_check_generation(struct io_ctl *io_ctl, u64 generation)
{
- u64 *gen;
+ __le64 *gen;
/*
* Skip the crc area. If we don't check crcs then we just have a 64bit
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 3f2c8cbe5ba6..a4f02501da40 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3840,7 +3840,7 @@ void btrfs_evict_inode(struct inode *inode)
btrfs_end_transaction(trans, root);
btrfs_btree_balance_dirty(root, nr);
no_delete:
- end_writeback(inode);
+ clear_inode(inode);
return;
}
@@ -4515,46 +4515,18 @@ int btrfs_dirty_inode(struct inode *inode)
* This is a copy of file_update_time. We need this so we can return error on
* ENOSPC for updating the inode in the case of file write and mmap writes.
*/
-int btrfs_update_time(struct file *file)
+static int btrfs_update_time(struct inode *inode, struct timespec *now,
+ int flags)
{
- struct inode *inode = file->f_path.dentry->d_inode;
- struct timespec now;
- int ret;
- enum { S_MTIME = 1, S_CTIME = 2, S_VERSION = 4 } sync_it = 0;
-
- /* First try to exhaust all avenues to not sync */
- if (IS_NOCMTIME(inode))
- return 0;
-
- now = current_fs_time(inode->i_sb);
- if (!timespec_equal(&inode->i_mtime, &now))
- sync_it = S_MTIME;
-
- if (!timespec_equal(&inode->i_ctime, &now))
- sync_it |= S_CTIME;
-
- if (IS_I_VERSION(inode))
- sync_it |= S_VERSION;
-
- if (!sync_it)
- return 0;
-
- /* Finally allowed to write? Takes lock. */
- if (mnt_want_write_file(file))
- return 0;
-
- /* Only change inode inside the lock region */
- if (sync_it & S_VERSION)
+ if (flags & S_VERSION)
inode_inc_iversion(inode);
- if (sync_it & S_CTIME)
- inode->i_ctime = now;
- if (sync_it & S_MTIME)
- inode->i_mtime = now;
- ret = btrfs_dirty_inode(inode);
- if (!ret)
- mark_inode_dirty_sync(inode);
- mnt_drop_write(file->f_path.mnt);
- return ret;
+ if (flags & S_CTIME)
+ inode->i_ctime = *now;
+ if (flags & S_MTIME)
+ inode->i_mtime = *now;
+ if (flags & S_ATIME)
+ inode->i_atime = *now;
+ return btrfs_dirty_inode(inode);
}
/*
@@ -6605,7 +6577,7 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
ret = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE);
if (!ret) {
- ret = btrfs_update_time(vma->vm_file);
+ ret = file_update_time(vma->vm_file);
reserved = 1;
}
if (ret) {
@@ -7678,6 +7650,7 @@ static const struct inode_operations btrfs_file_inode_operations = {
.permission = btrfs_permission,
.fiemap = btrfs_fiemap,
.get_acl = btrfs_get_acl,
+ .update_time = btrfs_update_time,
};
static const struct inode_operations btrfs_special_inode_operations = {
.getattr = btrfs_getattr,
@@ -7688,6 +7661,7 @@ static const struct inode_operations btrfs_special_inode_operations = {
.listxattr = btrfs_listxattr,
.removexattr = btrfs_removexattr,
.get_acl = btrfs_get_acl,
+ .update_time = btrfs_update_time,
};
static const struct inode_operations btrfs_symlink_inode_operations = {
.readlink = generic_readlink,
@@ -7701,6 +7675,7 @@ static const struct inode_operations btrfs_symlink_inode_operations = {
.listxattr = btrfs_listxattr,
.removexattr = btrfs_removexattr,
.get_acl = btrfs_get_acl,
+ .update_time = btrfs_update_time,
};
const struct dentry_operations btrfs_dentry_operations = {