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f2fs: reserve the xattr space dynamically

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This patch enables the number of direct pointers inside on-disk inode block to
be changed dynamically according to the size of inline xattr space.

The number of direct pointers, ADDRS_PER_INODE, can be changed only if the file
has inline xattr flag.

The number of direct pointers that will be used by inline xattrs is defined as
F2FS_INLINE_XATTR_ADDRS.
Current patch assigns F2FS_INLINE_XATTR_ADDRS to 0 temporarily.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim
2013-08-12 21:08:03 +09:00
parent 444c580f7e
commit de93653fe3
8 changed files with 45 additions and 29 deletions
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fs/f2fs/gc.c
+6 -3
View File
@@ -461,7 +461,7 @@ next_step:
* as indirect or double indirect node blocks, are given, it must be a caller's
* bug.
*/
block_t start_bidx_of_node(unsigned int node_ofs)
block_t start_bidx_of_node(unsigned int node_ofs, struct f2fs_inode_info *fi)
{
unsigned int indirect_blks = 2 * NIDS_PER_BLOCK + 4;
unsigned int bidx;
@@ -478,7 +478,7 @@ block_t start_bidx_of_node(unsigned int node_ofs)
int dec = (node_ofs - indirect_blks - 3) / (NIDS_PER_BLOCK + 1);
bidx = node_ofs - 5 - dec;
}
return bidx * ADDRS_PER_BLOCK + ADDRS_PER_INODE;
return bidx * ADDRS_PER_BLOCK + ADDRS_PER_INODE(fi);
}
static int check_dnode(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
@@ -586,7 +586,6 @@ next_step:
continue;
}
start_bidx = start_bidx_of_node(nofs);
ofs_in_node = le16_to_cpu(entry->ofs_in_node);
if (phase == 2) {
@@ -594,6 +593,8 @@ next_step:
if (IS_ERR(inode))
continue;
start_bidx = start_bidx_of_node(nofs, F2FS_I(inode));
data_page = find_data_page(inode,
start_bidx + ofs_in_node, false);
if (IS_ERR(data_page))
@@ -604,6 +605,8 @@ next_step:
} else {
inode = find_gc_inode(dni.ino, ilist);
if (inode) {
start_bidx = start_bidx_of_node(nofs,
F2FS_I(inode));
data_page = get_lock_data_page(inode,
start_bidx + ofs_in_node);
if (IS_ERR(data_page))