From: Jan Kara jack@suse.cz
[ Upstream commit a27b2923de7efaa1da1e243fb80ff0fa432e4be0 ]
There is just one caller of udf_expand_dir_adinicb(). Move the function to its caller into namei.c as it is more about directory handling than anything else anyway.
Signed-off-by: Jan Kara jack@suse.cz Signed-off-by: Thadeu Lima de Souza Cascardo cascardo@igalia.com --- fs/udf/inode.c | 82 ------------------------------------------------ fs/udf/namei.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++++ fs/udf/udfdecl.h | 2 -- 3 files changed, 82 insertions(+), 84 deletions(-)
diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 4db51493e70c..77471e33ccf7 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -325,88 +325,6 @@ int udf_expand_file_adinicb(struct inode *inode) return err; }
-struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, - udf_pblk_t *block, int *err) -{ - udf_pblk_t newblock; - struct buffer_head *dbh = NULL; - struct kernel_lb_addr eloc; - struct extent_position epos; - uint8_t alloctype; - struct udf_inode_info *iinfo = UDF_I(inode); - struct udf_fileident_iter iter; - uint8_t *impuse; - int ret; - - if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD)) - alloctype = ICBTAG_FLAG_AD_SHORT; - else - alloctype = ICBTAG_FLAG_AD_LONG; - - if (!inode->i_size) { - iinfo->i_alloc_type = alloctype; - mark_inode_dirty(inode); - return NULL; - } - - /* alloc block, and copy data to it */ - *block = udf_new_block(inode->i_sb, inode, - iinfo->i_location.partitionReferenceNum, - iinfo->i_location.logicalBlockNum, err); - if (!(*block)) - return NULL; - newblock = udf_get_pblock(inode->i_sb, *block, - iinfo->i_location.partitionReferenceNum, - 0); - if (!newblock) - return NULL; - dbh = udf_tgetblk(inode->i_sb, newblock); - if (!dbh) - return NULL; - lock_buffer(dbh); - memcpy(dbh->b_data, iinfo->i_data, inode->i_size); - memset(dbh->b_data + inode->i_size, 0, - inode->i_sb->s_blocksize - inode->i_size); - set_buffer_uptodate(dbh); - unlock_buffer(dbh); - - /* Drop inline data, add block instead */ - iinfo->i_alloc_type = alloctype; - memset(iinfo->i_data + iinfo->i_lenEAttr, 0, iinfo->i_lenAlloc); - iinfo->i_lenAlloc = 0; - eloc.logicalBlockNum = *block; - eloc.partitionReferenceNum = - iinfo->i_location.partitionReferenceNum; - iinfo->i_lenExtents = inode->i_size; - epos.bh = NULL; - epos.block = iinfo->i_location; - epos.offset = udf_file_entry_alloc_offset(inode); - udf_add_aext(inode, &epos, &eloc, inode->i_size, 0); - brelse(epos.bh); - mark_inode_dirty(inode); - - /* Now fixup tags in moved directory entries */ - for (ret = udf_fiiter_init(&iter, inode, 0); - !ret && iter.pos < inode->i_size; - ret = udf_fiiter_advance(&iter)) { - iter.fi.descTag.tagLocation = cpu_to_le32(*block); - if (iter.fi.lengthOfImpUse != cpu_to_le16(0)) - impuse = dbh->b_data + iter.pos + - sizeof(struct fileIdentDesc); - else - impuse = NULL; - udf_fiiter_write_fi(&iter, impuse); - } - /* - * We don't expect the iteration to fail as the directory has been - * already verified to be correct - */ - WARN_ON_ONCE(ret); - udf_fiiter_release(&iter); - - return dbh; -} - static int udf_get_block(struct inode *inode, sector_t block, struct buffer_head *bh_result, int create) { diff --git a/fs/udf/namei.c b/fs/udf/namei.c index ded71044988a..fd096dcc5f15 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -326,6 +326,88 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry, return d_splice_alias(inode, dentry); }
+static struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, + udf_pblk_t *block, int *err) +{ + udf_pblk_t newblock; + struct buffer_head *dbh = NULL; + struct kernel_lb_addr eloc; + struct extent_position epos; + uint8_t alloctype; + struct udf_inode_info *iinfo = UDF_I(inode); + struct udf_fileident_iter iter; + uint8_t *impuse; + int ret; + + if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD)) + alloctype = ICBTAG_FLAG_AD_SHORT; + else + alloctype = ICBTAG_FLAG_AD_LONG; + + if (!inode->i_size) { + iinfo->i_alloc_type = alloctype; + mark_inode_dirty(inode); + return NULL; + } + + /* alloc block, and copy data to it */ + *block = udf_new_block(inode->i_sb, inode, + iinfo->i_location.partitionReferenceNum, + iinfo->i_location.logicalBlockNum, err); + if (!(*block)) + return NULL; + newblock = udf_get_pblock(inode->i_sb, *block, + iinfo->i_location.partitionReferenceNum, + 0); + if (!newblock) + return NULL; + dbh = udf_tgetblk(inode->i_sb, newblock); + if (!dbh) + return NULL; + lock_buffer(dbh); + memcpy(dbh->b_data, iinfo->i_data, inode->i_size); + memset(dbh->b_data + inode->i_size, 0, + inode->i_sb->s_blocksize - inode->i_size); + set_buffer_uptodate(dbh); + unlock_buffer(dbh); + + /* Drop inline data, add block instead */ + iinfo->i_alloc_type = alloctype; + memset(iinfo->i_data + iinfo->i_lenEAttr, 0, iinfo->i_lenAlloc); + iinfo->i_lenAlloc = 0; + eloc.logicalBlockNum = *block; + eloc.partitionReferenceNum = + iinfo->i_location.partitionReferenceNum; + iinfo->i_lenExtents = inode->i_size; + epos.bh = NULL; + epos.block = iinfo->i_location; + epos.offset = udf_file_entry_alloc_offset(inode); + udf_add_aext(inode, &epos, &eloc, inode->i_size, 0); + brelse(epos.bh); + mark_inode_dirty(inode); + + /* Now fixup tags in moved directory entries */ + for (ret = udf_fiiter_init(&iter, inode, 0); + !ret && iter.pos < inode->i_size; + ret = udf_fiiter_advance(&iter)) { + iter.fi.descTag.tagLocation = cpu_to_le32(*block); + if (iter.fi.lengthOfImpUse != cpu_to_le16(0)) + impuse = dbh->b_data + iter.pos + + sizeof(struct fileIdentDesc); + else + impuse = NULL; + udf_fiiter_write_fi(&iter, impuse); + } + /* + * We don't expect the iteration to fail as the directory has been + * already verified to be correct + */ + WARN_ON_ONCE(ret); + udf_fiiter_release(&iter); + + return dbh; +} + static struct fileIdentDesc *udf_add_entry(struct inode *dir, struct dentry *dentry, struct udf_fileident_bh *fibh, diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index 22a8466e335c..676fa2996ffe 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -169,8 +169,6 @@ static inline struct inode *udf_iget(struct super_block *sb, return __udf_iget(sb, ino, false); } extern int udf_expand_file_adinicb(struct inode *); -extern struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, - udf_pblk_t *block, int *err); extern struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block, int create, int *err); extern int udf_setsize(struct inode *, loff_t);