Commit 2b2d6d01 authored by Theodore Ts'o's avatar Theodore Ts'o
Browse files

ext4: Cleanup whitespace and other miscellaneous style issues



Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent ec05e868
......@@ -40,34 +40,35 @@ ext4_acl_from_disk(const void *value, size_t size)
acl = posix_acl_alloc(count, GFP_NOFS);
if (!acl)
return ERR_PTR(-ENOMEM);
for (n=0; n < count; n++) {
for (n = 0; n < count; n++) {
ext4_acl_entry *entry =
(ext4_acl_entry *)value;
if ((char *)value + sizeof(ext4_acl_entry_short) > end)
goto fail;
acl->a_entries[n].e_tag = le16_to_cpu(entry->e_tag);
acl->a_entries[n].e_perm = le16_to_cpu(entry->e_perm);
switch(acl->a_entries[n].e_tag) {
case ACL_USER_OBJ:
case ACL_GROUP_OBJ:
case ACL_MASK:
case ACL_OTHER:
value = (char *)value +
sizeof(ext4_acl_entry_short);
acl->a_entries[n].e_id = ACL_UNDEFINED_ID;
break;
case ACL_USER:
case ACL_GROUP:
value = (char *)value + sizeof(ext4_acl_entry);
if ((char *)value > end)
goto fail;
acl->a_entries[n].e_id =
le32_to_cpu(entry->e_id);
break;
default:
switch (acl->a_entries[n].e_tag) {
case ACL_USER_OBJ:
case ACL_GROUP_OBJ:
case ACL_MASK:
case ACL_OTHER:
value = (char *)value +
sizeof(ext4_acl_entry_short);
acl->a_entries[n].e_id = ACL_UNDEFINED_ID;
break;
case ACL_USER:
case ACL_GROUP:
value = (char *)value + sizeof(ext4_acl_entry);
if ((char *)value > end)
goto fail;
acl->a_entries[n].e_id =
le32_to_cpu(entry->e_id);
break;
default:
goto fail;
}
}
if (value != end)
......@@ -96,27 +97,26 @@ ext4_acl_to_disk(const struct posix_acl *acl, size_t *size)
return ERR_PTR(-ENOMEM);
ext_acl->a_version = cpu_to_le32(EXT4_ACL_VERSION);
e = (char *)ext_acl + sizeof(ext4_acl_header);
for (n=0; n < acl->a_count; n++) {
for (n = 0; n < acl->a_count; n++) {
ext4_acl_entry *entry = (ext4_acl_entry *)e;
entry->e_tag = cpu_to_le16(acl->a_entries[n].e_tag);
entry->e_perm = cpu_to_le16(acl->a_entries[n].e_perm);
switch(acl->a_entries[n].e_tag) {
case ACL_USER:
case ACL_GROUP:
entry->e_id =
cpu_to_le32(acl->a_entries[n].e_id);
e += sizeof(ext4_acl_entry);
break;
case ACL_USER_OBJ:
case ACL_GROUP_OBJ:
case ACL_MASK:
case ACL_OTHER:
e += sizeof(ext4_acl_entry_short);
break;
default:
goto fail;
switch (acl->a_entries[n].e_tag) {
case ACL_USER:
case ACL_GROUP:
entry->e_id = cpu_to_le32(acl->a_entries[n].e_id);
e += sizeof(ext4_acl_entry);
break;
case ACL_USER_OBJ:
case ACL_GROUP_OBJ:
case ACL_MASK:
case ACL_OTHER:
e += sizeof(ext4_acl_entry_short);
break;
default:
goto fail;
}
}
return (char *)ext_acl;
......@@ -167,23 +167,23 @@ ext4_get_acl(struct inode *inode, int type)
if (!test_opt(inode->i_sb, POSIX_ACL))
return NULL;
switch(type) {
case ACL_TYPE_ACCESS:
acl = ext4_iget_acl(inode, &ei->i_acl);
if (acl != EXT4_ACL_NOT_CACHED)
return acl;
name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
break;
case ACL_TYPE_DEFAULT:
acl = ext4_iget_acl(inode, &ei->i_default_acl);
if (acl != EXT4_ACL_NOT_CACHED)
return acl;
name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT;
break;
default:
return ERR_PTR(-EINVAL);
switch (type) {
case ACL_TYPE_ACCESS:
acl = ext4_iget_acl(inode, &ei->i_acl);
if (acl != EXT4_ACL_NOT_CACHED)
return acl;
name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
break;
case ACL_TYPE_DEFAULT:
acl = ext4_iget_acl(inode, &ei->i_default_acl);
if (acl != EXT4_ACL_NOT_CACHED)
return acl;
name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT;
break;
default:
return ERR_PTR(-EINVAL);
}
retval = ext4_xattr_get(inode, name_index, "", NULL, 0);
if (retval > 0) {
......@@ -201,14 +201,14 @@ ext4_get_acl(struct inode *inode, int type)
kfree(value);
if (!IS_ERR(acl)) {
switch(type) {
case ACL_TYPE_ACCESS:
ext4_iset_acl(inode, &ei->i_acl, acl);
break;
case ACL_TYPE_DEFAULT:
ext4_iset_acl(inode, &ei->i_default_acl, acl);
break;
switch (type) {
case ACL_TYPE_ACCESS:
ext4_iset_acl(inode, &ei->i_acl, acl);
break;
case ACL_TYPE_DEFAULT:
ext4_iset_acl(inode, &ei->i_default_acl, acl);
break;
}
}
return acl;
......@@ -232,31 +232,31 @@ ext4_set_acl(handle_t *handle, struct inode *inode, int type,
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
switch(type) {
case ACL_TYPE_ACCESS:
name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
if (acl) {
mode_t mode = inode->i_mode;
error = posix_acl_equiv_mode(acl, &mode);
if (error < 0)
return error;
else {
inode->i_mode = mode;
ext4_mark_inode_dirty(handle, inode);
if (error == 0)
acl = NULL;
}
switch (type) {
case ACL_TYPE_ACCESS:
name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS;
if (acl) {
mode_t mode = inode->i_mode;
error = posix_acl_equiv_mode(acl, &mode);
if (error < 0)
return error;
else {
inode->i_mode = mode;
ext4_mark_inode_dirty(handle, inode);
if (error == 0)
acl = NULL;
}
break;
}
break;
case ACL_TYPE_DEFAULT:
name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT;
if (!S_ISDIR(inode->i_mode))
return acl ? -EACCES : 0;
break;
case ACL_TYPE_DEFAULT:
name_index = EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT;
if (!S_ISDIR(inode->i_mode))
return acl ? -EACCES : 0;
break;
default:
return -EINVAL;
default:
return -EINVAL;
}
if (acl) {
value = ext4_acl_to_disk(acl, &size);
......@@ -269,14 +269,14 @@ ext4_set_acl(handle_t *handle, struct inode *inode, int type,
kfree(value);
if (!error) {
switch(type) {
case ACL_TYPE_ACCESS:
ext4_iset_acl(inode, &ei->i_acl, acl);
break;
case ACL_TYPE_DEFAULT:
ext4_iset_acl(inode, &ei->i_default_acl, acl);
break;
switch (type) {
case ACL_TYPE_ACCESS:
ext4_iset_acl(inode, &ei->i_acl, acl);
break;
case ACL_TYPE_DEFAULT:
ext4_iset_acl(inode, &ei->i_default_acl, acl);
break;
}
}
return error;
......
......@@ -1441,7 +1441,7 @@ unsigned int ext4_ext_check_overlap(struct inode *inode,
/*
* get the next allocated block if the extent in the path
* is before the requested block(s)
* is before the requested block(s)
*/
if (b2 < b1) {
b2 = ext4_ext_next_allocated_block(path);
......
......@@ -1054,10 +1054,9 @@ static void ext4_da_update_reserve_space(struct inode *inode, int used)
/*
* The ext4_get_blocks_wrap() function try to look up the requested blocks,
* and returns if the blocks are already mapped.
*
*
* ext4_ext4 get_block() wrapper function
* It will do a look up first, and returns if the blocks already mapped.
* Otherwise it takes the write lock of the i_data_sem and allocate blocks
* and store the allocated blocks in the result buffer head and mark it
* mapped.
......
......@@ -73,7 +73,7 @@ static int verify_group_input(struct super_block *sb,
"Inode bitmap not in group (block %llu)",
(unsigned long long)input->inode_bitmap);
else if (outside(input->inode_table, start, end) ||
outside(itend - 1, start, end))
outside(itend - 1, start, end))
ext4_warning(sb, __func__,
"Inode table not in group (blocks %llu-%llu)",
(unsigned long long)input->inode_table, itend - 1);
......@@ -104,7 +104,7 @@ static int verify_group_input(struct super_block *sb,
(unsigned long long)input->inode_bitmap,
start, metaend - 1);
else if (inside(input->inode_table, start, metaend) ||
inside(itend - 1, start, metaend))
inside(itend - 1, start, metaend))
ext4_warning(sb, __func__,
"Inode table (%llu-%llu) overlaps"
"GDT table (%llu-%llu)",
......@@ -158,9 +158,9 @@ static int extend_or_restart_transaction(handle_t *handle, int thresh,
if (err) {
if ((err = ext4_journal_restart(handle, EXT4_MAX_TRANS_DATA)))
return err;
if ((err = ext4_journal_get_write_access(handle, bh)))
if ((err = ext4_journal_get_write_access(handle, bh)))
return err;
}
}
return 0;
}
......@@ -416,11 +416,11 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
"EXT4-fs: ext4_add_new_gdb: adding group block %lu\n",
gdb_num);
/*
* If we are not using the primary superblock/GDT copy don't resize,
* because the user tools have no way of handling this. Probably a
* bad time to do it anyways.
*/
/*
* If we are not using the primary superblock/GDT copy don't resize,
* because the user tools have no way of handling this. Probably a
* bad time to do it anyways.
*/
if (EXT4_SB(sb)->s_sbh->b_blocknr !=
le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block)) {
ext4_warning(sb, __func__,
......@@ -507,14 +507,14 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
return 0;
exit_inode:
//ext4_journal_release_buffer(handle, iloc.bh);
/* ext4_journal_release_buffer(handle, iloc.bh); */
brelse(iloc.bh);
exit_dindj:
//ext4_journal_release_buffer(handle, dind);
/* ext4_journal_release_buffer(handle, dind); */
exit_primary:
//ext4_journal_release_buffer(handle, *primary);
/* ext4_journal_release_buffer(handle, *primary); */
exit_sbh:
//ext4_journal_release_buffer(handle, *primary);
/* ext4_journal_release_buffer(handle, *primary); */
exit_dind:
brelse(dind);
exit_bh:
......@@ -818,12 +818,12 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
if ((err = ext4_journal_get_write_access(handle, sbi->s_sbh)))
goto exit_journal;
/*
* We will only either add reserved group blocks to a backup group
* or remove reserved blocks for the first group in a new group block.
* Doing both would be mean more complex code, and sane people don't
* use non-sparse filesystems anymore. This is already checked above.
*/
/*
* We will only either add reserved group blocks to a backup group
* or remove reserved blocks for the first group in a new group block.
* Doing both would be mean more complex code, and sane people don't
* use non-sparse filesystems anymore. This is already checked above.
*/
if (gdb_off) {
primary = sbi->s_group_desc[gdb_num];
if ((err = ext4_journal_get_write_access(handle, primary)))
......@@ -835,24 +835,24 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
} else if ((err = add_new_gdb(handle, inode, input, &primary)))
goto exit_journal;
/*
* OK, now we've set up the new group. Time to make it active.
*
* Current kernels don't lock all allocations via lock_super(),
* so we have to be safe wrt. concurrent accesses the group
* data. So we need to be careful to set all of the relevant
* group descriptor data etc. *before* we enable the group.
*
* The key field here is sbi->s_groups_count: as long as
* that retains its old value, nobody is going to access the new
* group.
*
* So first we update all the descriptor metadata for the new
* group; then we update the total disk blocks count; then we
* update the groups count to enable the group; then finally we
* update the free space counts so that the system can start
* using the new disk blocks.
*/
/*
* OK, now we've set up the new group. Time to make it active.
*
* Current kernels don't lock all allocations via lock_super(),
* so we have to be safe wrt. concurrent accesses the group
* data. So we need to be careful to set all of the relevant
* group descriptor data etc. *before* we enable the group.
*
* The key field here is sbi->s_groups_count: as long as
* that retains its old value, nobody is going to access the new
* group.
*
* So first we update all the descriptor metadata for the new
* group; then we update the total disk blocks count; then we
* update the groups count to enable the group; then finally we
* update the free space counts so that the system can start
* using the new disk blocks.
*/
/* Update group descriptor block for new group */
gdp = (struct ext4_group_desc *)((char *)primary->b_data +
......@@ -946,7 +946,8 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
return err;
} /* ext4_group_add */
/* Extend the filesystem to the new number of blocks specified. This entry
/*
* Extend the filesystem to the new number of blocks specified. This entry
* point is only used to extend the current filesystem to the end of the last
* existing group. It can be accessed via ioctl, or by "remount,resize=<size>"
* for emergencies (because it has no dependencies on reserved blocks).
......@@ -1024,7 +1025,7 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
o_blocks_count + add, add);
/* See if the device is actually as big as what was requested */
bh = sb_bread(sb, o_blocks_count + add -1);
bh = sb_bread(sb, o_blocks_count + add - 1);
if (!bh) {
ext4_warning(sb, __func__,
"can't read last block, resize aborted");
......
This diff is collapsed.
......@@ -1512,7 +1512,7 @@ static inline void ext4_xattr_hash_entry(struct ext4_xattr_header *header,
char *name = entry->e_name;
int n;
for (n=0; n < entry->e_name_len; n++) {
for (n = 0; n < entry->e_name_len; n++) {
hash = (hash << NAME_HASH_SHIFT) ^
(hash >> (8*sizeof(hash) - NAME_HASH_SHIFT)) ^
*name++;
......
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