diff options
| -rw-r--r-- | fs/ext4/ext4.h | 28 | ||||
| -rw-r--r-- | fs/ext4/ialloc.c | 2 | ||||
| -rw-r--r-- | fs/ext4/inode.c | 4 |
3 files changed, 25 insertions, 9 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 50e3d24483fb..2fb531cfd48b 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -764,7 +764,9 @@ struct ext4_inode_info { */ ext4_group_t i_block_group; ext4_lblk_t i_dir_start_lookup; +#if (BITS_PER_LONG < 64) unsigned long i_state_flags; /* Dynamic state flags */ +#endif unsigned long i_flags; #ifdef CONFIG_EXT4_FS_XATTR @@ -1239,22 +1241,36 @@ enum { EXT4_STATE_DELALLOC_RESERVED, /* blks already reserved for delalloc */ }; -#define EXT4_INODE_BIT_FNS(name, field) \ +#define EXT4_INODE_BIT_FNS(name, field, offset) \ static inline int ext4_test_inode_##name(struct inode *inode, int bit) \ { \ - return test_bit(bit, &EXT4_I(inode)->i_##field); \ + return test_bit(bit + (offset), &EXT4_I(inode)->i_##field); \ } \ static inline void ext4_set_inode_##name(struct inode *inode, int bit) \ { \ - set_bit(bit, &EXT4_I(inode)->i_##field); \ + set_bit(bit + (offset), &EXT4_I(inode)->i_##field); \ } \ static inline void ext4_clear_inode_##name(struct inode *inode, int bit) \ { \ - clear_bit(bit, &EXT4_I(inode)->i_##field); \ + clear_bit(bit + (offset), &EXT4_I(inode)->i_##field); \ } -EXT4_INODE_BIT_FNS(flag, flags) -EXT4_INODE_BIT_FNS(state, state_flags) +EXT4_INODE_BIT_FNS(flag, flags, 0) +#if (BITS_PER_LONG < 64) +EXT4_INODE_BIT_FNS(state, state_flags, 0) + +static inline void ext4_clear_state_flags(struct ext4_inode_info *ei) +{ + (ei)->i_state_flags = 0; +} +#else +EXT4_INODE_BIT_FNS(state, flags, 32) + +static inline void ext4_clear_state_flags(struct ext4_inode_info *ei) +{ + /* We depend on the fact that callers will set i_flags */ +} +#endif #else /* Assume that user mode programs are passing in an ext4fs superblock, not * a kernel struct super_block. This will allow us to call the feature-test diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 1ce240a23ebb..eb9097aec6f0 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -1027,7 +1027,7 @@ got: inode->i_generation = sbi->s_next_generation++; spin_unlock(&sbi->s_next_gen_lock); - ei->i_state_flags = 0; + ext4_clear_state_flags(ei); /* Only relevant on 32-bit archs */ ext4_set_inode_state(inode, EXT4_STATE_NEW); ei->i_extra_isize = EXT4_SB(sb)->s_want_extra_isize; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 3ae83137cf34..0801ee6a173e 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4868,7 +4868,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino) } inode->i_nlink = le16_to_cpu(raw_inode->i_links_count); - ei->i_state_flags = 0; + ext4_clear_state_flags(ei); /* Only relevant on 32-bit archs */ ei->i_dir_start_lookup = 0; ei->i_dtime = le32_to_cpu(raw_inode->i_dtime); /* We now have enough fields to check if the inode was active or not. @@ -5127,7 +5127,7 @@ static int ext4_do_update_inode(handle_t *handle, if (ext4_inode_blocks_set(handle, raw_inode, ei)) goto out_brelse; raw_inode->i_dtime = cpu_to_le32(ei->i_dtime); - raw_inode->i_flags = cpu_to_le32(ei->i_flags); + raw_inode->i_flags = cpu_to_le32(ei->i_flags & 0xFFFFFFFF); if (EXT4_SB(inode->i_sb)->s_es->s_creator_os != cpu_to_le32(EXT4_OS_HURD)) raw_inode->i_file_acl_high = |