diff options
Diffstat (limited to 'fs/f2fs/inode.c')
| -rw-r--r-- | fs/f2fs/inode.c | 121 |
1 files changed, 73 insertions, 48 deletions
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 9339cd29204..2cf6962f6cc 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -12,6 +12,7 @@ #include <linux/f2fs_fs.h> #include <linux/buffer_head.h> #include <linux/writeback.h> +#include <linux/bitops.h> #include "f2fs.h" #include "node.h" @@ -21,20 +22,49 @@ void f2fs_set_inode_flags(struct inode *inode) { unsigned int flags = F2FS_I(inode)->i_flags; - - inode->i_flags &= ~(S_SYNC | S_APPEND | S_IMMUTABLE | - S_NOATIME | S_DIRSYNC); + unsigned int new_fl = 0; if (flags & FS_SYNC_FL) - inode->i_flags |= S_SYNC; + new_fl |= S_SYNC; if (flags & FS_APPEND_FL) - inode->i_flags |= S_APPEND; + new_fl |= S_APPEND; if (flags & FS_IMMUTABLE_FL) - inode->i_flags |= S_IMMUTABLE; + new_fl |= S_IMMUTABLE; if (flags & FS_NOATIME_FL) - inode->i_flags |= S_NOATIME; + new_fl |= S_NOATIME; if (flags & FS_DIRSYNC_FL) - inode->i_flags |= S_DIRSYNC; + new_fl |= S_DIRSYNC; + set_mask_bits(&inode->i_flags, + S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC, new_fl); +} + +static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri) +{ + if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || + S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { + if (ri->i_addr[0]) + inode->i_rdev = + old_decode_dev(le32_to_cpu(ri->i_addr[0])); + else + inode->i_rdev = + new_decode_dev(le32_to_cpu(ri->i_addr[1])); + } +} + +static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri) +{ + if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { + if (old_valid_dev(inode->i_rdev)) { + ri->i_addr[0] = + cpu_to_le32(old_encode_dev(inode->i_rdev)); + ri->i_addr[1] = 0; + } else { + ri->i_addr[0] = 0; + ri->i_addr[1] = + cpu_to_le32(new_encode_dev(inode->i_rdev)); + ri->i_addr[2] = 0; + } + } } static int do_read_inode(struct inode *inode) @@ -42,13 +72,13 @@ static int do_read_inode(struct inode *inode) struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); struct f2fs_inode_info *fi = F2FS_I(inode); struct page *node_page; - struct f2fs_node *rn; struct f2fs_inode *ri; /* Check if ino is within scope */ if (check_nid_range(sbi, inode->i_ino)) { f2fs_msg(inode->i_sb, KERN_ERR, "bad inode number: %lu", (unsigned long) inode->i_ino); + WARN_ON(1); return -EINVAL; } @@ -56,8 +86,7 @@ static int do_read_inode(struct inode *inode) if (IS_ERR(node_page)) return PTR_ERR(node_page); - rn = F2FS_NODE(node_page); - ri = &(rn->i); + ri = F2FS_INODE(node_page); inode->i_mode = le16_to_cpu(ri->i_mode); i_uid_write(inode, le32_to_cpu(ri->i_uid)); @@ -73,10 +102,6 @@ static int do_read_inode(struct inode *inode) inode->i_ctime.tv_nsec = le32_to_cpu(ri->i_ctime_nsec); inode->i_mtime.tv_nsec = le32_to_cpu(ri->i_mtime_nsec); inode->i_generation = le32_to_cpu(ri->i_generation); - if (ri->i_addr[0]) - inode->i_rdev = old_decode_dev(le32_to_cpu(ri->i_addr[0])); - else - inode->i_rdev = new_decode_dev(le32_to_cpu(ri->i_addr[1])); fi->i_current_depth = le32_to_cpu(ri->i_current_depth); fi->i_xattr_nid = le32_to_cpu(ri->i_xattr_nid); @@ -84,8 +109,14 @@ static int do_read_inode(struct inode *inode) fi->flags = 0; fi->i_advise = ri->i_advise; fi->i_pino = le32_to_cpu(ri->i_pino); + fi->i_dir_level = ri->i_dir_level; + get_extent_info(&fi->ext, ri->i_ext); get_inline_info(fi, ri); + + /* get rdev by using inline_info */ + __get_inode_rdev(inode, ri); + f2fs_put_page(node_page, 1); return 0; } @@ -149,13 +180,11 @@ bad_inode: void update_inode(struct inode *inode, struct page *node_page) { - struct f2fs_node *rn; struct f2fs_inode *ri; - f2fs_wait_on_page_writeback(node_page, NODE, false); + f2fs_wait_on_page_writeback(node_page, NODE); - rn = F2FS_NODE(node_page); - ri = &(rn->i); + ri = F2FS_INODE(node_page); ri->i_mode = cpu_to_le16(inode->i_mode); ri->i_advise = F2FS_I(inode)->i_advise; @@ -178,43 +207,38 @@ void update_inode(struct inode *inode, struct page *node_page) ri->i_flags = cpu_to_le32(F2FS_I(inode)->i_flags); ri->i_pino = cpu_to_le32(F2FS_I(inode)->i_pino); ri->i_generation = cpu_to_le32(inode->i_generation); + ri->i_dir_level = F2FS_I(inode)->i_dir_level; - if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { - if (old_valid_dev(inode->i_rdev)) { - ri->i_addr[0] = - cpu_to_le32(old_encode_dev(inode->i_rdev)); - ri->i_addr[1] = 0; - } else { - ri->i_addr[0] = 0; - ri->i_addr[1] = - cpu_to_le32(new_encode_dev(inode->i_rdev)); - ri->i_addr[2] = 0; - } - } - + __set_inode_rdev(inode, ri); set_cold_node(inode, node_page); set_page_dirty(node_page); + clear_inode_flag(F2FS_I(inode), FI_DIRTY_INODE); } -int update_inode_page(struct inode *inode) +void update_inode_page(struct inode *inode) { struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); struct page *node_page; - +retry: node_page = get_node_page(sbi, inode->i_ino); - if (IS_ERR(node_page)) - return PTR_ERR(node_page); - + if (IS_ERR(node_page)) { + int err = PTR_ERR(node_page); + if (err == -ENOMEM) { + cond_resched(); + goto retry; + } else if (err != -ENOENT) { + f2fs_stop_checkpoint(sbi); + } + return; + } update_inode(inode, node_page); f2fs_put_page(node_page, 1); - return 0; } int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc) { struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); - int ret, ilock; if (inode->i_ino == F2FS_NODE_INO(sbi) || inode->i_ino == F2FS_META_INO(sbi)) @@ -227,14 +251,14 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc) * We need to lock here to prevent from producing dirty node pages * during the urgent cleaning time when runing out of free sections. */ - ilock = mutex_lock_op(sbi); - ret = update_inode_page(inode); - mutex_unlock_op(sbi, ilock); + f2fs_lock_op(sbi); + update_inode_page(inode); + f2fs_unlock_op(sbi); if (wbc) f2fs_balance_fs(sbi); - return ret; + return 0; } /* @@ -243,16 +267,15 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc) void f2fs_evict_inode(struct inode *inode) { struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); - int ilock; trace_f2fs_evict_inode(inode); - truncate_inode_pages(&inode->i_data, 0); + truncate_inode_pages_final(&inode->i_data); if (inode->i_ino == F2FS_NODE_INO(sbi) || inode->i_ino == F2FS_META_INO(sbi)) goto no_delete; - BUG_ON(atomic_read(&F2FS_I(inode)->dirty_dents)); + f2fs_bug_on(get_dirty_dents(inode)); remove_dirty_dir_inode(inode); if (inode->i_nlink || is_bad_inode(inode)) @@ -265,11 +288,13 @@ void f2fs_evict_inode(struct inode *inode) if (F2FS_HAS_BLOCKS(inode)) f2fs_truncate(inode); - ilock = mutex_lock_op(sbi); + f2fs_lock_op(sbi); remove_inode_page(inode); - mutex_unlock_op(sbi, ilock); + stat_dec_inline_inode(inode); + f2fs_unlock_op(sbi); sb_end_intwrite(inode->i_sb); no_delete: clear_inode(inode); + invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino, inode->i_ino); } |
