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| author | Jan Kara <jack@suse.cz> | 2018-06-13 17:30:14 +0200 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2018-06-20 11:05:49 +0200 |
| commit | f2e83347119acc0412941c5a23d895624c9300e2 (patch) | |
| tree | 7c57d33e7bc50b49fff6c5edc73a8992bfae83ff /fs/udf/namei.c | |
| parent | fa65653e575fbd958bdf5fb9c4a71a324e39510d (diff) | |
| download | linux-stable-f2e83347119acc0412941c5a23d895624c9300e2.tar.gz linux-stable-f2e83347119acc0412941c5a23d895624c9300e2.tar.bz2 linux-stable-f2e83347119acc0412941c5a23d895624c9300e2.zip | |
udf: Provide function for calculating dir entry length
Provide function for calculating directory entry length and use to
reduce code duplication.
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/udf/namei.c')
| -rw-r--r-- | fs/udf/namei.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/fs/udf/namei.c b/fs/udf/namei.c index c586026508db..06f37ddd2997 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -351,8 +351,6 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, loff_t f_pos; loff_t size = udf_ext0_offset(dir) + dir->i_size; int nfidlen; - uint8_t lfi; - uint16_t liu; udf_pblk_t block; struct kernel_lb_addr eloc; uint32_t elen = 0; @@ -383,7 +381,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, namelen = 0; } - nfidlen = (sizeof(struct fileIdentDesc) + namelen + 3) & ~3; + nfidlen = ALIGN(sizeof(struct fileIdentDesc) + namelen, UDF_NAME_PAD); f_pos = udf_ext0_offset(dir); @@ -424,12 +422,8 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir, goto out_err; } - liu = le16_to_cpu(cfi->lengthOfImpUse); - lfi = cfi->lengthFileIdent; - if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) { - if (((sizeof(struct fileIdentDesc) + - liu + lfi + 3) & ~3) == nfidlen) { + if (udf_dir_entry_len(cfi) == nfidlen) { cfi->descTag.tagSerialNum = cpu_to_le16(1); cfi->fileVersionNum = cpu_to_le16(1); cfi->fileCharacteristics = 0; @@ -1201,9 +1195,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, if (dir_fi) { dir_fi->icb.extLocation = cpu_to_lelb(UDF_I(new_dir)->i_location); - udf_update_tag((char *)dir_fi, - (sizeof(struct fileIdentDesc) + - le16_to_cpu(dir_fi->lengthOfImpUse) + 3) & ~3); + udf_update_tag((char *)dir_fi, udf_dir_entry_len(dir_fi)); if (old_iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) mark_inode_dirty(old_inode); else |