diff options
| -rw-r--r-- | fs/f2fs/data.c | 2 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 6 | ||||
| -rw-r--r-- | fs/f2fs/file.c | 6 | ||||
| -rw-r--r-- | fs/f2fs/inode.c | 10 |
4 files changed, 24 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index f0a18a005..486113d 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1291,6 +1291,8 @@ int do_write_data_page(struct page *page, struct f2fs_io_info *fio) write_data_page(page, &dn, fio); f2fs_update_extent_cache(&dn); set_inode_flag(F2FS_I(inode), FI_APPEND_WRITE); + if (page->index == 0) + set_inode_flag(F2FS_I(inode), FI_FIRST_BLOCK_WRITTEN); } out_writepage: f2fs_put_dnode(&dn); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index dbe1144..9e37817 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1232,6 +1232,7 @@ enum { FI_NEED_IPU, /* used for ipu per file */ FI_ATOMIC_FILE, /* indicate atomic file */ FI_VOLATILE_FILE, /* indicate volatile file */ + FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ FI_DROP_CACHE, /* drop dirty page cache */ FI_DATA_EXIST, /* indicate data exists */ }; @@ -1340,6 +1341,11 @@ static inline bool f2fs_is_volatile_file(struct inode *inode) return is_inode_flag_set(F2FS_I(inode), FI_VOLATILE_FILE); } +static inline bool f2fs_is_first_block_written(struct inode *inode) +{ + return is_inode_flag_set(F2FS_I(inode), FI_FIRST_BLOCK_WRITTEN); +} + static inline bool f2fs_is_drop_cache(struct inode *inode) { return is_inode_flag_set(F2FS_I(inode), FI_DROP_CACHE); diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 36dc758..39a07a59 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -437,6 +437,9 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count) dn->data_blkaddr = NULL_ADDR; f2fs_update_extent_cache(dn); invalidate_blocks(sbi, blkaddr); + if (dn->ofs_in_node == 0 && IS_INODE(dn->node_page)) + clear_inode_flag(F2FS_I(dn->inode), + FI_FIRST_BLOCK_WRITTEN); nr_free++; } if (nr_free) { @@ -1005,6 +1008,9 @@ static int f2fs_ioc_release_volatile_write(struct file *filp) if (!f2fs_is_volatile_file(inode)) return 0; + if (!f2fs_is_first_block_written(inode)) + return truncate_partial_data_page(inode, 0, true); + punch_hole(inode, 0, F2FS_BLKSIZE); return 0; } diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index b508744..bb58009 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -51,6 +51,13 @@ static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri) } } +static bool __written_first_block(struct f2fs_inode *ri) +{ + if (ri->i_addr[0] != NEW_ADDR && ri->i_addr[0] != NULL_ADDR) + return true; + return false; +} + static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri) { if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { @@ -143,6 +150,9 @@ static int do_read_inode(struct inode *inode) /* get rdev by using inline_info */ __get_inode_rdev(inode, ri); + if (__written_first_block(ri)) + set_inode_flag(F2FS_I(inode), FI_FIRST_BLOCK_WRITTEN); + f2fs_put_page(node_page, 1); stat_inc_inline_inode(inode); |
