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ext4: consolidate checks for resize of bigalloc into ext4_resize_begin

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Two different places checked for attempts to resize a filesystem with
the bigalloc feature. Move the check into ext4_resize_begin, which both
places already call.

Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Link: https://lore.kernel.org/r/bee03303d999225ecb3bfa5be8576b2f4c6edbe6.1623093259.git.josh@joshtriplett.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Josh Triplett 2021-06-07 12:15:08 -07:00 committed by Theodore Ts'o
parent 310c097c2b
commit e9f9f61d0c
2 changed files with 5 additions and 14 deletions
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14
fs/ext4/ioctl.c
View File

@ -692,13 +692,6 @@ static long ext4_ioctl_group_add(struct file *file,
if (err)
return err;
if (ext4_has_feature_bigalloc(sb)) {
ext4_msg(sb, KERN_ERR,
"Online resizing not supported with bigalloc");
err = -EOPNOTSUPP;
goto group_add_out;
}
err = mnt_want_write_file(file);
if (err)
goto group_add_out;
@ -921,13 +914,6 @@ setversion_out:
goto group_extend_out;
}
if (ext4_has_feature_bigalloc(sb)) {
ext4_msg(sb, KERN_ERR,
"Online resizing not supported with bigalloc");
err = -EOPNOTSUPP;
goto group_extend_out;
}
err = mnt_want_write_file(filp);
if (err)
goto group_extend_out;

5
fs/ext4/resize.c
View File

@ -74,6 +74,11 @@ int ext4_resize_begin(struct super_block *sb)
return -EPERM;
}
if (ext4_has_feature_bigalloc(sb)) {
ext4_msg(sb, KERN_ERR, "Online resizing not supported with bigalloc");
return -EOPNOTSUPP;
}
if (test_and_set_bit_lock(EXT4_FLAGS_RESIZING,
&EXT4_SB(sb)->s_ext4_flags))
ret = -EBUSY;