diff options
Diffstat (limited to 'fs/btrfs')
-rw-r--r-- | fs/btrfs/ctree.h | 1 | ||||
-rw-r--r-- | fs/btrfs/export.c | 15 | ||||
-rw-r--r-- | fs/btrfs/file.c | 2 | ||||
-rw-r--r-- | fs/btrfs/free-space-cache.c | 7 | ||||
-rw-r--r-- | fs/btrfs/inode.c | 53 |
5 files changed, 23 insertions, 55 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 0151ca1ac657..0236d03c6732 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2974,7 +2974,6 @@ 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/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 e9991adc0960..f6ab6f5e635a 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4475,46 +4475,18 @@ 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); } /* @@ -6565,7 +6537,7 @@ 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) { @@ -7635,6 +7607,7 @@ 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, @@ -7645,6 +7618,7 @@ 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, @@ -7658,6 +7632,7 @@ 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 = { |