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udf: Push i_data_sem locking into udf_extend_file()

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Push i_data_sem locking into udf_extend_file(). It somewhat simplifies
the code around it.

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2023-01-19 12:37:04 +01:00
parent 6a3b37e0ea
commit 2d532616c7
1 changed files with 4 additions and 5 deletions
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9
fs/udf/inode.c
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@ -555,6 +555,7 @@ static int udf_extend_file(struct inode *inode, loff_t newsize)
else
BUG();
down_write(&iinfo->i_data_sem);
/*
* When creating hole in file, just don't bother with preserving
* preallocation. It likely won't be very useful anyway.
@ -599,6 +600,7 @@ static int udf_extend_file(struct inode *inode, loff_t newsize)
err = 0;
out:
brelse(epos.bh);
up_write(&iinfo->i_data_sem);
return err;
}
@ -1160,20 +1162,17 @@ int udf_setsize(struct inode *inode, loff_t newsize)
(udf_file_entry_alloc_offset(inode) + newsize)) {
down_write(&iinfo->i_data_sem);
iinfo->i_lenAlloc = newsize;
up_write(&iinfo->i_data_sem);
goto set_size;
}
err = udf_expand_file_adinicb(inode);
if (err)
return err;
}
down_write(&iinfo->i_data_sem);
err = udf_extend_file(inode, newsize);
if (err) {
up_write(&iinfo->i_data_sem);
if (err)
return err;
}
set_size:
up_write(&iinfo->i_data_sem);
truncate_setsize(inode, newsize);
} else {
if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {