ext4: use atomic functions to set bh_state
Use the BUFFER_FNS functions (set_buffer_foo) to set buffer head state atomically instead of nonatomic __set_bit(). Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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@ -2622,8 +2622,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
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*/
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*/
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if (allocated > max_blocks)
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if (allocated > max_blocks)
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allocated = max_blocks;
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allocated = max_blocks;
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/* mark the buffer unwritten */
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set_buffer_unwritten(bh_result);
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__set_bit(BH_Unwritten, &bh_result->b_state);
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goto out2;
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goto out2;
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}
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}
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@ -2729,7 +2728,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
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if (extend_disksize && inode->i_size > EXT4_I(inode)->i_disksize)
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if (extend_disksize && inode->i_size > EXT4_I(inode)->i_disksize)
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EXT4_I(inode)->i_disksize = inode->i_size;
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EXT4_I(inode)->i_disksize = inode->i_size;
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__set_bit(BH_New, &bh_result->b_state);
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set_buffer_new(bh_result);
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/* Cache only when it is _not_ an uninitialized extent */
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/* Cache only when it is _not_ an uninitialized extent */
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if (create != EXT4_CREATE_UNINITIALIZED_EXT)
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if (create != EXT4_CREATE_UNINITIALIZED_EXT)
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@ -2739,7 +2738,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
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if (allocated > max_blocks)
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if (allocated > max_blocks)
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allocated = max_blocks;
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allocated = max_blocks;
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ext4_ext_show_leaf(inode, path);
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ext4_ext_show_leaf(inode, path);
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__set_bit(BH_Mapped, &bh_result->b_state);
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set_buffer_mapped(bh_result);
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bh_result->b_bdev = inode->i_sb->s_bdev;
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bh_result->b_bdev = inode->i_sb->s_bdev;
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bh_result->b_blocknr = newblock;
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bh_result->b_blocknr = newblock;
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out2:
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out2:
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