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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2008-01-28 23:58:27 -0500
committerTheodore Ts'o <tytso@mit.edu>2008-01-28 23:58:27 -0500
commit725d26d3f09ccb5bac4b4293096b985a312a0d67 (patch)
tree1c49a07da252832fc6842c88a2359e8cd43af636 /fs/ext4/dir.c
parenta72d7f834e1afa08421938d7eb06bd8e56b0e58c (diff)
ext4: Introduce ext4_lblk_t
This patch adds a new data type ext4_lblk_t to represent the logical file blocks. This is the preparatory patch to support large files in ext4 The follow up patch with convert the ext4_inode i_blocks to represent the number of blocks in file system block size. This changes makes it possible to have a block number 2**32 -1 which will result in overflow if the block number is represented by signed long. This patch convert all the block number to type ext4_lblk_t which is typedef to __u32 Also remove dead code ext4_ext_walk_space Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Diffstat (limited to 'fs/ext4/dir.c')
-rw-r--r--fs/ext4/dir.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index 145a9c0c972d..33888bb58144 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -124,7 +124,7 @@ static int ext4_readdir(struct file * filp,
124 offset = filp->f_pos & (sb->s_blocksize - 1); 124 offset = filp->f_pos & (sb->s_blocksize - 1);
125 125
126 while (!error && !stored && filp->f_pos < inode->i_size) { 126 while (!error && !stored && filp->f_pos < inode->i_size) {
127 unsigned long blk = filp->f_pos >> EXT4_BLOCK_SIZE_BITS(sb); 127 ext4_lblk_t blk = filp->f_pos >> EXT4_BLOCK_SIZE_BITS(sb);
128 struct buffer_head map_bh; 128 struct buffer_head map_bh;
129 struct buffer_head *bh = NULL; 129 struct buffer_head *bh = NULL;
130 130