static int f2fs_ioc_commit_atomic_write(struct file *filp) { struct inode *inode = file_inode(filp); int ret; if (!inode_owner_or_capable(inode)) return -EACCES; if (f2fs_is_volatile_file(inode)) return 0; ret = mnt_want_write_file(filp); if (ret) return ret; if (f2fs_is_atomic_file(inode)) { clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE); ret = commit_inmem_pages(inode, false); if (ret) goto err_out; } ret = f2fs_sync_file(filp, 0, LLONG_MAX, 0); err_out: mnt_drop_write_file(filp); return ret; }
static int f2fs_ioc_abort_volatile_write(struct file *filp) { struct inode *inode = file_inode(filp); int ret; if (!inode_owner_or_capable(inode)) return -EACCES; ret = mnt_want_write_file(filp); if (ret) return ret; if (f2fs_is_atomic_file(inode)) { clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE); drop_inmem_pages(inode); } if (f2fs_is_volatile_file(inode)) { clear_inode_flag(F2FS_I(inode), FI_VOLATILE_FILE); ret = f2fs_sync_file(filp, 0, LLONG_MAX, 0); } mnt_drop_write_file(filp); f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); return ret; }